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[92.34.201.90]) by smtp.gmail.com with ESMTPSA id x4sm13907371ljb.66.2019.12.28.14.26.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Dec 2019 14:26:20 -0800 (PST) From: Linus Walleij To: lee.jones@linaro.org, linux-kernel@vger.kernel.org Cc: Linus Walleij , Stephan Gerhold , Ulf Hansson Subject: [PATCH 1/2] mfd: dbx500-prcmu: Drop set_display_clocks() Date: Sat, 28 Dec 2019 23:26:14 +0100 Message-Id: <20191228222615.24189-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The display clocks are handled by the generic clock framework since ages, this code is completely unused and misleading. Delete it. Cc: Stephan Gerhold Cc: Ulf Hansson Signed-off-by: Linus Walleij --- drivers/mfd/db8500-prcmu.c | 30 ------------------------------ include/linux/mfd/db8500-prcmu.h | 6 ------ include/linux/mfd/dbx500-prcmu.h | 10 ---------- 3 files changed, 46 deletions(-) diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 26d967a1a046..5f0cfeec8b6a 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -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); diff --git a/include/linux/mfd/db8500-prcmu.h b/include/linux/mfd/db8500-prcmu.h index 1fc75d2b4a38..7d0c442e0c25 100644 --- a/include/linux/mfd/db8500-prcmu.h +++ b/include/linux/mfd/db8500-prcmu.h @@ -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; diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h index e2571040c7e8..812b6c3c4ef6 100644 --- a/include/linux/mfd/dbx500-prcmu.h +++ b/include/linux/mfd/dbx500-prcmu.h @@ -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; -- 2.21.0