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serial: omap: don't access the platform_device
The driver doesn't need to know about its platform_device. Everything the driver needs can be done through the struct device pointer. In case we need to use the OMAP-specific PM function pointers, those can make sure to find the device's platform_device pointer so they can find the struct omap_device through pdev->archdata field. Tested-by: Shubhrajyoti D <shubhrajyoti@ti.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felipe Balbi
Greg Kroah-Hartman
parent
27788c5fe6
commit
d8ee4ea68f
@ -81,8 +81,9 @@ static struct omap_uart_port_info omap_serial_default_info[] __initdata = {
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};
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#ifdef CONFIG_PM
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static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable)
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static void omap_uart_enable_wakeup(struct device *dev, bool enable)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct omap_device *od = to_omap_device(pdev);
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if (!od)
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@ -99,15 +100,17 @@ static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable)
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* in Smartidle Mode When Configured for DMA Operations.
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* WA: configure uart in force idle mode.
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*/
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static void omap_uart_set_noidle(struct platform_device *pdev)
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static void omap_uart_set_noidle(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct omap_device *od = to_omap_device(pdev);
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omap_hwmod_set_slave_idlemode(od->hwmods[0], HWMOD_IDLEMODE_NO);
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}
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static void omap_uart_set_smartidle(struct platform_device *pdev)
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static void omap_uart_set_smartidle(struct device *dev)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct omap_device *od = to_omap_device(pdev);
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u8 idlemode;
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@ -120,10 +123,10 @@ static void omap_uart_set_smartidle(struct platform_device *pdev)
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}
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#else
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static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable)
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static void omap_uart_enable_wakeup(struct device *dev, bool enable)
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{}
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static void omap_uart_set_noidle(struct platform_device *pdev) {}
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static void omap_uart_set_smartidle(struct platform_device *pdev) {}
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static void omap_uart_set_noidle(struct device *dev) {}
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static void omap_uart_set_smartidle(struct device *dev) {}
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#endif /* CONFIG_PM */
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#ifdef CONFIG_OMAP_MUX
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@ -18,7 +18,7 @@
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#define __OMAP_SERIAL_H__
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/device.h>
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#include <linux/pm_qos.h>
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#include <plat/mux.h>
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@ -74,9 +74,9 @@ struct omap_uart_port_info {
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int DTR_present;
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int (*get_context_loss_count)(struct device *);
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void (*set_forceidle)(struct platform_device *);
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void (*set_noidle)(struct platform_device *);
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void (*enable_wakeup)(struct platform_device *, bool);
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void (*set_forceidle)(struct device *);
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void (*set_noidle)(struct device *);
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void (*enable_wakeup)(struct device *, bool);
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};
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struct uart_omap_dma {
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@ -108,7 +108,7 @@ struct uart_omap_dma {
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struct uart_omap_port {
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struct uart_port port;
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struct uart_omap_dma uart_dma;
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struct platform_device *pdev;
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struct device *dev;
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unsigned char ier;
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unsigned char lcr;
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@ -104,36 +104,36 @@ static inline void serial_omap_clear_fifos(struct uart_omap_port *up)
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static int serial_omap_get_context_loss_count(struct uart_omap_port *up)
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{
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struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
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struct omap_uart_port_info *pdata = up->dev->platform_data;
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if (!pdata->get_context_loss_count)
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return 0;
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return pdata->get_context_loss_count(&up->pdev->dev);
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return pdata->get_context_loss_count(up->dev);
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}
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static void serial_omap_set_forceidle(struct uart_omap_port *up)
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{
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struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
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struct omap_uart_port_info *pdata = up->dev->platform_data;
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if (pdata->set_forceidle)
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pdata->set_forceidle(up->pdev);
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pdata->set_forceidle(up->dev);
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}
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static void serial_omap_set_noidle(struct uart_omap_port *up)
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{
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struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
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struct omap_uart_port_info *pdata = up->dev->platform_data;
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if (pdata->set_noidle)
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pdata->set_noidle(up->pdev);
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pdata->set_noidle(up->dev);
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}
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static void serial_omap_enable_wakeup(struct uart_omap_port *up, bool enable)
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{
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struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
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struct omap_uart_port_info *pdata = up->dev->platform_data;
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if (pdata->enable_wakeup)
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pdata->enable_wakeup(up->pdev, enable);
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pdata->enable_wakeup(up->dev, enable);
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}
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/*
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@ -169,8 +169,8 @@ static void serial_omap_stop_rxdma(struct uart_omap_port *up)
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omap_free_dma(up->uart_dma.rx_dma_channel);
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up->uart_dma.rx_dma_channel = OMAP_UART_DMA_CH_FREE;
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up->uart_dma.rx_dma_used = false;
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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}
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}
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@ -180,16 +180,16 @@ static void serial_omap_enable_ms(struct uart_port *port)
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dev_dbg(up->port.dev, "serial_omap_enable_ms+%d\n", up->port.line);
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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up->ier |= UART_IER_MSI;
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serial_out(up, UART_IER, up->ier);
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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}
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static void serial_omap_stop_tx(struct uart_port *port)
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{
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struct uart_omap_port *up = to_uart_omap_port(port);
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struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
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struct omap_uart_port_info *pdata = up->dev->platform_data;
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if (up->use_dma &&
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up->uart_dma.tx_dma_channel != OMAP_UART_DMA_CH_FREE) {
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@ -202,11 +202,11 @@ static void serial_omap_stop_tx(struct uart_port *port)
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omap_stop_dma(up->uart_dma.tx_dma_channel);
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omap_free_dma(up->uart_dma.tx_dma_channel);
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up->uart_dma.tx_dma_channel = OMAP_UART_DMA_CH_FREE;
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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}
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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if (up->ier & UART_IER_THRI) {
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up->ier &= ~UART_IER_THRI;
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serial_out(up, UART_IER, up->ier);
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@ -215,22 +215,22 @@ static void serial_omap_stop_tx(struct uart_port *port)
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if (!up->use_dma && pdata)
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serial_omap_set_forceidle(up);
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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}
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static void serial_omap_stop_rx(struct uart_port *port)
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{
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struct uart_omap_port *up = to_uart_omap_port(port);
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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if (up->use_dma)
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serial_omap_stop_rxdma(up);
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up->ier &= ~UART_IER_RLSI;
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up->port.read_status_mask &= ~UART_LSR_DR;
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serial_out(up, UART_IER, up->ier);
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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}
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static inline void receive_chars(struct uart_omap_port *up,
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@ -348,11 +348,11 @@ static void serial_omap_start_tx(struct uart_port *port)
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int ret = 0;
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if (!up->use_dma) {
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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serial_omap_enable_ier_thri(up);
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serial_omap_set_noidle(up);
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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return;
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}
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@ -362,7 +362,7 @@ static void serial_omap_start_tx(struct uart_port *port)
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xmit = &up->port.state->xmit;
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if (up->uart_dma.tx_dma_channel == OMAP_UART_DMA_CH_FREE) {
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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ret = omap_request_dma(up->uart_dma.uart_dma_tx,
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"UART Tx DMA",
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(void *)uart_tx_dma_callback, up,
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@ -445,11 +445,11 @@ static inline irqreturn_t serial_omap_irq(int irq, void *dev_id)
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unsigned int iir, lsr;
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unsigned long flags;
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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iir = serial_in(up, UART_IIR);
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if (iir & UART_IIR_NO_INT) {
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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return IRQ_NONE;
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}
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@ -473,8 +473,8 @@ static inline irqreturn_t serial_omap_irq(int irq, void *dev_id)
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transmit_chars(up);
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spin_unlock_irqrestore(&up->port.lock, flags);
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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up->port_activity = jiffies;
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return IRQ_HANDLED;
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@ -486,12 +486,12 @@ static unsigned int serial_omap_tx_empty(struct uart_port *port)
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unsigned long flags = 0;
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unsigned int ret = 0;
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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dev_dbg(up->port.dev, "serial_omap_tx_empty+%d\n", up->port.line);
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spin_lock_irqsave(&up->port.lock, flags);
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ret = serial_in(up, UART_LSR) & UART_LSR_TEMT ? TIOCSER_TEMT : 0;
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spin_unlock_irqrestore(&up->port.lock, flags);
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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return ret;
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}
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@ -501,9 +501,9 @@ static unsigned int serial_omap_get_mctrl(struct uart_port *port)
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unsigned int status;
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unsigned int ret = 0;
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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status = check_modem_status(up);
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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dev_dbg(up->port.dev, "serial_omap_get_mctrl+%d\n", up->port.line);
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@ -535,11 +535,11 @@ static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
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if (mctrl & TIOCM_LOOP)
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mcr |= UART_MCR_LOOP;
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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up->mcr = serial_in(up, UART_MCR);
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up->mcr |= mcr;
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serial_out(up, UART_MCR, up->mcr);
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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if (gpio_is_valid(up->DTR_gpio) &&
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!!(mctrl & TIOCM_DTR) != up->DTR_active) {
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@ -558,7 +558,7 @@ static void serial_omap_break_ctl(struct uart_port *port, int break_state)
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unsigned long flags = 0;
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dev_dbg(up->port.dev, "serial_omap_break_ctl+%d\n", up->port.line);
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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spin_lock_irqsave(&up->port.lock, flags);
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if (break_state == -1)
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up->lcr |= UART_LCR_SBC;
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@ -566,7 +566,7 @@ static void serial_omap_break_ctl(struct uart_port *port, int break_state)
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up->lcr &= ~UART_LCR_SBC;
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serial_out(up, UART_LCR, up->lcr);
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spin_unlock_irqrestore(&up->port.lock, flags);
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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}
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static int serial_omap_startup(struct uart_port *port)
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@ -585,7 +585,7 @@ static int serial_omap_startup(struct uart_port *port)
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dev_dbg(up->port.dev, "serial_omap_startup+%d\n", up->port.line);
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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/*
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* Clear the FIFO buffers and disable them.
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* (they will be reenabled in set_termios())
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@ -641,8 +641,8 @@ static int serial_omap_startup(struct uart_port *port)
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/* Enable module level wake up */
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serial_out(up, UART_OMAP_WER, OMAP_UART_WER_MOD_WKUP);
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pm_runtime_mark_last_busy(&up->pdev->dev);
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pm_runtime_put_autosuspend(&up->pdev->dev);
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pm_runtime_mark_last_busy(up->dev);
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pm_runtime_put_autosuspend(up->dev);
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up->port_activity = jiffies;
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return 0;
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}
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@ -654,7 +654,7 @@ static void serial_omap_shutdown(struct uart_port *port)
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dev_dbg(up->port.dev, "serial_omap_shutdown+%d\n", up->port.line);
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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/*
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* Disable interrupts from this port
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*/
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@ -689,7 +689,7 @@ static void serial_omap_shutdown(struct uart_port *port)
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up->uart_dma.rx_buf = NULL;
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}
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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free_irq(up->port.irq, up);
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}
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@ -821,7 +821,7 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
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* Ok, we're now changing the port state. Do it with
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* interrupts disabled.
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*/
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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spin_lock_irqsave(&up->port.lock, flags);
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/*
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@ -970,7 +970,7 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
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serial_omap_configure_xonxoff(up, termios);
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spin_unlock_irqrestore(&up->port.lock, flags);
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
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dev_dbg(up->port.dev, "serial_omap_set_termios+%d\n", up->port.line);
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}
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@ -983,7 +983,7 @@ serial_omap_pm(struct uart_port *port, unsigned int state,
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dev_dbg(up->port.dev, "serial_omap_pm+%d\n", up->port.line);
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pm_runtime_get_sync(&up->pdev->dev);
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pm_runtime_get_sync(up->dev);
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serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
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efr = serial_in(up, UART_EFR);
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serial_out(up, UART_EFR, efr | UART_EFR_ECB);
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@ -994,14 +994,14 @@ serial_omap_pm(struct uart_port *port, unsigned int state,
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serial_out(up, UART_EFR, efr);
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serial_out(up, UART_LCR, 0);
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if (!device_may_wakeup(&up->pdev->dev)) {
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if (!device_may_wakeup(up->dev)) {
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if (!state)
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pm_runtime_forbid(&up->pdev->dev);
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pm_runtime_forbid(up->dev);
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else
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pm_runtime_allow(&up->pdev->dev);
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pm_runtime_allow(up->dev);
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}
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pm_runtime_put(&up->pdev->dev);
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pm_runtime_put(up->dev);
|
||||
}
|
||||
|
||||
static void serial_omap_release_port(struct uart_port *port)
|
||||
@ -1080,10 +1080,10 @@ static void serial_omap_poll_put_char(struct uart_port *port, unsigned char ch)
|
||||
{
|
||||
struct uart_omap_port *up = to_uart_omap_port(port);
|
||||
|
||||
pm_runtime_get_sync(&up->pdev->dev);
|
||||
pm_runtime_get_sync(up->dev);
|
||||
wait_for_xmitr(up);
|
||||
serial_out(up, UART_TX, ch);
|
||||
pm_runtime_put(&up->pdev->dev);
|
||||
pm_runtime_put(up->dev);
|
||||
}
|
||||
|
||||
static int serial_omap_poll_get_char(struct uart_port *port)
|
||||
@ -1091,13 +1091,13 @@ static int serial_omap_poll_get_char(struct uart_port *port)
|
||||
struct uart_omap_port *up = to_uart_omap_port(port);
|
||||
unsigned int status;
|
||||
|
||||
pm_runtime_get_sync(&up->pdev->dev);
|
||||
pm_runtime_get_sync(up->dev);
|
||||
status = serial_in(up, UART_LSR);
|
||||
if (!(status & UART_LSR_DR))
|
||||
return NO_POLL_CHAR;
|
||||
|
||||
status = serial_in(up, UART_RX);
|
||||
pm_runtime_put(&up->pdev->dev);
|
||||
pm_runtime_put(up->dev);
|
||||
return status;
|
||||
}
|
||||
|
||||
@ -1126,7 +1126,7 @@ serial_omap_console_write(struct console *co, const char *s,
|
||||
unsigned int ier;
|
||||
int locked = 1;
|
||||
|
||||
pm_runtime_get_sync(&up->pdev->dev);
|
||||
pm_runtime_get_sync(up->dev);
|
||||
|
||||
local_irq_save(flags);
|
||||
if (up->port.sysrq)
|
||||
@ -1160,8 +1160,8 @@ serial_omap_console_write(struct console *co, const char *s,
|
||||
if (up->msr_saved_flags)
|
||||
check_modem_status(up);
|
||||
|
||||
pm_runtime_mark_last_busy(&up->pdev->dev);
|
||||
pm_runtime_put_autosuspend(&up->pdev->dev);
|
||||
pm_runtime_mark_last_busy(up->dev);
|
||||
pm_runtime_put_autosuspend(up->dev);
|
||||
if (locked)
|
||||
spin_unlock(&up->port.lock);
|
||||
local_irq_restore(flags);
|
||||
@ -1323,7 +1323,7 @@ static int serial_omap_start_rxdma(struct uart_omap_port *up)
|
||||
int ret = 0;
|
||||
|
||||
if (up->uart_dma.rx_dma_channel == -1) {
|
||||
pm_runtime_get_sync(&up->pdev->dev);
|
||||
pm_runtime_get_sync(up->dev);
|
||||
ret = omap_request_dma(up->uart_dma.uart_dma_rx,
|
||||
"UART Rx DMA",
|
||||
(void *)uart_rx_dma_callback, up,
|
||||
@ -1435,7 +1435,7 @@ static void omap_serial_fill_features_erratas(struct uart_omap_port *up)
|
||||
minor = (mvr & OMAP_UART_MVR_MIN_MASK);
|
||||
break;
|
||||
default:
|
||||
dev_warn(&up->pdev->dev,
|
||||
dev_warn(up->dev,
|
||||
"Unknown %s revision, defaulting to highest\n",
|
||||
up->name);
|
||||
/* highest possible revision */
|
||||
@ -1535,7 +1535,7 @@ static int serial_omap_probe(struct platform_device *pdev)
|
||||
up->DTR_gpio = -EINVAL;
|
||||
up->DTR_active = 0;
|
||||
|
||||
up->pdev = pdev;
|
||||
up->dev = &pdev->dev;
|
||||
up->port.dev = &pdev->dev;
|
||||
up->port.type = PORT_OMAP;
|
||||
up->port.iotype = UPIO_MEM;
|
||||
@ -1632,7 +1632,7 @@ static int serial_omap_remove(struct platform_device *dev)
|
||||
struct uart_omap_port *up = platform_get_drvdata(dev);
|
||||
|
||||
if (up) {
|
||||
pm_runtime_disable(&up->pdev->dev);
|
||||
pm_runtime_disable(up->dev);
|
||||
uart_remove_one_port(&serial_omap_reg, &up->port);
|
||||
pm_qos_remove_request(&up->pm_qos_request);
|
||||
}
|
||||
@ -1667,7 +1667,7 @@ static void serial_omap_mdr1_errataset(struct uart_omap_port *up, u8 mdr1)
|
||||
timeout--;
|
||||
if (!timeout) {
|
||||
/* Should *never* happen. we warn and carry on */
|
||||
dev_crit(&up->pdev->dev, "Errata i202: timedout %x\n",
|
||||
dev_crit(up->dev, "Errata i202: timedout %x\n",
|
||||
serial_in(up, UART_LSR));
|
||||
break;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user