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mfd: dbx500-prcmu: Drop set_display_clocks()

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The display clocks are handled by the generic clock framework
since ages, this code is completely unused and misleading.
Delete it.

Cc: Stephan Gerhold <stephan@gerhold.net>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Linus Walleij 2019-12-28 23:26:14 +01:00 committed by Lee Jones
parent cb7a374a5e
commit f41810921b
3 changed files with 0 additions and 46 deletions
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30
drivers/mfd/db8500-prcmu.c
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@ -555,14 +555,6 @@ static struct dsiescclk dsiescclk[3] = {
#define PRCMU_CLK_38_SRC (1 << 10)
#define PRCMU_CLK_38_DIV (1 << 11)
/* PLLDIV=12, PLLSW=4 (PLLDDR) */
#define PRCMU_DSI_CLOCK_SETTING 0x0000008C
/* DPI 50000000 Hz */
#define PRCMU_DPI_CLOCK_SETTING ((1 << PRCMU_CLK_PLL_SW_SHIFT) | \
(16 << PRCMU_CLK_PLL_DIV_SHIFT))
#define PRCMU_DSI_LP_CLOCK_SETTING 0x00000E00
/* D=101, N=1, R=4, SELDIV2=0 */
#define PRCMU_PLLDSI_FREQ_SETTING 0x00040165
@ -616,28 +608,6 @@ int db8500_prcmu_disable_dsipll(void)
return 0;
}
int db8500_prcmu_set_display_clocks(void)
{
unsigned long flags;
spin_lock_irqsave(&clk_mgt_lock, flags);
/* Grab the HW semaphore. */
while ((readl(PRCM_SEM) & PRCM_SEM_PRCM_SEM) != 0)
cpu_relax();
writel(PRCMU_DSI_CLOCK_SETTING, prcmu_base + PRCM_HDMICLK_MGT);
writel(PRCMU_DSI_LP_CLOCK_SETTING, prcmu_base + PRCM_TVCLK_MGT);
writel(PRCMU_DPI_CLOCK_SETTING, prcmu_base + PRCM_LCDCLK_MGT);
/* Release the HW semaphore. */
writel(0, PRCM_SEM);
spin_unlock_irqrestore(&clk_mgt_lock, flags);
return 0;
}
u32 db8500_prcmu_read(unsigned int reg)
{
return readl(prcmu_base + reg);

6
include/linux/mfd/db8500-prcmu.h
View File

@ -525,7 +525,6 @@ u8 db8500_prcmu_get_power_state_result(void);
void db8500_prcmu_enable_wakeups(u32 wakeups);
int db8500_prcmu_set_epod(u16 epod_id, u8 epod_state);
int db8500_prcmu_request_clock(u8 clock, bool enable);
int db8500_prcmu_set_display_clocks(void);
int db8500_prcmu_disable_dsipll(void);
int db8500_prcmu_enable_dsipll(void);
void db8500_prcmu_config_abb_event_readout(u32 abb_events);
@ -682,11 +681,6 @@ static inline int db8500_prcmu_request_clock(u8 clock, bool enable)
return 0;
}
static inline int db8500_prcmu_set_display_clocks(void)
{
return 0;
}
static inline int db8500_prcmu_disable_dsipll(void)
{
return 0;

10
include/linux/mfd/dbx500-prcmu.h
View File

@ -321,11 +321,6 @@ static inline bool prcmu_is_ac_wake_requested(void)
return db8500_prcmu_is_ac_wake_requested();
}
static inline int prcmu_set_display_clocks(void)
{
return db8500_prcmu_set_display_clocks();
}
static inline int prcmu_disable_dsipll(void)
{
return db8500_prcmu_disable_dsipll();
@ -511,11 +506,6 @@ static inline bool prcmu_is_ac_wake_requested(void)
return false;
}
static inline int prcmu_set_display_clocks(void)
{
return 0;
}
static inline int prcmu_disable_dsipll(void)
{
return 0;