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mmc: dw_mmc: fix the wrong AND operation

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These condition checking are wrong.
Original Author's intention might be "&" instead of "&&".
It can know whether receive or transmit data request with
BIT[4]/BIT[5] of RINTSTS register.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Jaehoon Chung 2016-05-13 23:37:44 +09:00 committed by Minkyu Kang
parent 4141e85bcd
commit ca2ec9adc9
1 changed files with 2 additions and 2 deletions
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4
drivers/mmc/dw_mmc.c
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@ -121,7 +121,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
if (host->fifo_mode && size) {
if (data->flags == MMC_DATA_READ) {
if ((dwmci_readl(host, DWMCI_RINTSTS) &&
if ((dwmci_readl(host, DWMCI_RINTSTS) &
DWMCI_INTMSK_RXDR)) {
len = dwmci_readl(host, DWMCI_STATUS);
len = (len >> DWMCI_FIFO_SHIFT) &
@ -133,7 +133,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data)
DWMCI_INTMSK_RXDR);
}
} else {
if ((dwmci_readl(host, DWMCI_RINTSTS) &&
if ((dwmci_readl(host, DWMCI_RINTSTS) &
DWMCI_INTMSK_TXDR)) {
len = dwmci_readl(host, DWMCI_STATUS);
len = fifo_depth - ((len >>