diff options
author | Andrzej Hajda <a.hajda@samsung.com> | 2016-10-05 10:22:47 +0200 |
---|---|---|
committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:53:44 +0900 |
commit | 8cb71ab344385095218cd355ed286ff45a9afd11 (patch) | |
tree | fb90f77da471b6d059dcccdad1d3ae1ef5708464 /drivers/gpu/drm/exynos/exynos_drm_dsi.c | |
parent | 7f6a235c4393944649461daf5bf07f531ce1a4e1 (diff) |
drm/exynos/dsi: constify read-only variables
Change-Id: Ie9d4cea15e40408ed3a8c8f84002da465c0cae90
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_dsi.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dsi.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index b12d255d2d02..fd94db63bbf6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -241,7 +241,7 @@ struct exynos_dsi_transfer { #define DSIM_STATE_VIDOUT_AVAILABLE BIT(3) struct exynos_dsi_driver_data { - unsigned int *reg_ofs; + const unsigned int *reg_ofs; unsigned int plltmr_reg; unsigned int has_freqband:1; unsigned int has_clklane_stop:1; @@ -249,7 +249,7 @@ struct exynos_dsi_driver_data { unsigned int max_freq; unsigned int wait_for_reset; unsigned int num_bits_resol; - unsigned int *reg_values; + const unsigned int *reg_values; }; struct exynos_dsi { @@ -282,7 +282,7 @@ struct exynos_dsi { spinlock_t transfer_lock; /* protects transfer_list */ struct list_head transfer_list; - struct exynos_dsi_driver_data *driver_data; + const struct exynos_dsi_driver_data *driver_data; struct device_node *bridge_node; }; @@ -330,7 +330,7 @@ static inline u32 exynos_dsi_read(struct exynos_dsi *dsi, enum reg_idx idx) return readl(dsi->reg_base + dsi->driver_data->reg_ofs[idx]); } -static unsigned int exynos_reg_ofs[] = { +static const unsigned int exynos_reg_ofs[] = { [DSIM_STATUS_REG] = 0x00, [DSIM_SWRST_REG] = 0x04, [DSIM_CLKCTRL_REG] = 0x08, @@ -354,7 +354,7 @@ static unsigned int exynos_reg_ofs[] = { [DSIM_PHYTIMING2_REG] = 0x6c, }; -static unsigned int exynos5433_reg_ofs[] = { +static const unsigned int exynos5433_reg_ofs[] = { [DSIM_STATUS_REG] = 0x04, [DSIM_SWRST_REG] = 0x0C, [DSIM_CLKCTRL_REG] = 0x10, @@ -396,7 +396,7 @@ enum reg_value_idx { PHYTIMING_HS_TRAIL }; -static unsigned int reg_values[] = { +static const unsigned int reg_values[] = { [RESET_TYPE] = DSIM_SWRST, [PLL_TIMER] = 500, [STOP_STATE_CNT] = 0xf, @@ -414,7 +414,7 @@ static unsigned int reg_values[] = { [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0b), }; -static unsigned int exynos5422_reg_values[] = { +static const unsigned int exynos5422_reg_values[] = { [RESET_TYPE] = DSIM_SWRST, [PLL_TIMER] = 500, [STOP_STATE_CNT] = 0xf, @@ -432,7 +432,7 @@ static unsigned int exynos5422_reg_values[] = { [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0d), }; -static unsigned int exynos5433_reg_values[] = { +static const unsigned int exynos5433_reg_values[] = { [RESET_TYPE] = DSIM_FUNCRST, [PLL_TIMER] = 22200, [STOP_STATE_CNT] = 0xa, @@ -450,7 +450,7 @@ static unsigned int exynos5433_reg_values[] = { [PHYTIMING_HS_TRAIL] = DSIM_PHYTIMING2_HS_TRAIL(0x0c), }; -static struct exynos_dsi_driver_data exynos3_dsi_driver_data = { +static const struct exynos_dsi_driver_data exynos3_dsi_driver_data = { .reg_ofs = exynos_reg_ofs, .plltmr_reg = 0x50, .has_freqband = 1, @@ -462,7 +462,7 @@ static struct exynos_dsi_driver_data exynos3_dsi_driver_data = { .reg_values = reg_values, }; -static struct exynos_dsi_driver_data exynos4_dsi_driver_data = { +static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { .reg_ofs = exynos_reg_ofs, .plltmr_reg = 0x50, .has_freqband = 1, @@ -474,7 +474,7 @@ static struct exynos_dsi_driver_data exynos4_dsi_driver_data = { .reg_values = reg_values, }; -static struct exynos_dsi_driver_data exynos4415_dsi_driver_data = { +static const struct exynos_dsi_driver_data exynos4415_dsi_driver_data = { .reg_ofs = exynos_reg_ofs, .plltmr_reg = 0x58, .has_clklane_stop = 1, @@ -485,7 +485,7 @@ static struct exynos_dsi_driver_data exynos4415_dsi_driver_data = { .reg_values = reg_values, }; -static struct exynos_dsi_driver_data exynos5_dsi_driver_data = { +static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { .reg_ofs = exynos_reg_ofs, .plltmr_reg = 0x58, .num_clks = 2, @@ -495,7 +495,7 @@ static struct exynos_dsi_driver_data exynos5_dsi_driver_data = { .reg_values = reg_values, }; -static struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { +static const struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { .reg_ofs = exynos5433_reg_ofs, .plltmr_reg = 0xa0, .has_clklane_stop = 1, @@ -506,7 +506,7 @@ static struct exynos_dsi_driver_data exynos5433_dsi_driver_data = { .reg_values = exynos5433_reg_values, }; -static struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { +static const struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { .reg_ofs = exynos5433_reg_ofs, .plltmr_reg = 0xa0, .has_clklane_stop = 1, @@ -517,7 +517,7 @@ static struct exynos_dsi_driver_data exynos5422_dsi_driver_data = { .reg_values = exynos5422_reg_values, }; -static struct of_device_id exynos_dsi_of_match[] = { +static const struct of_device_id exynos_dsi_of_match[] = { { .compatible = "samsung,exynos3250-mipi-dsi", .data = &exynos3_dsi_driver_data }, { .compatible = "samsung,exynos4210-mipi-dsi", @@ -533,13 +533,13 @@ static struct of_device_id exynos_dsi_of_match[] = { { } }; -static inline struct exynos_dsi_driver_data *exynos_dsi_get_driver_data( +static inline const struct exynos_dsi_driver_data *exynos_dsi_get_driver_data( struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(exynos_dsi_of_match, &pdev->dev); - return (struct exynos_dsi_driver_data *)of_id->data; + return (const struct exynos_dsi_driver_data *)of_id->data; } static void exynos_dsi_wait_for_reset(struct exynos_dsi *dsi) @@ -565,7 +565,7 @@ static void exynos_dsi_reset(struct exynos_dsi *dsi) static unsigned long exynos_dsi_pll_find_pms(struct exynos_dsi *dsi, unsigned long fin, unsigned long fout, u8 *p, u16 *m, u8 *s) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; unsigned long best_freq = 0; u32 min_delta = 0xffffffff; u8 p_min, p_max; @@ -619,7 +619,7 @@ static unsigned long exynos_dsi_pll_find_pms(struct exynos_dsi *dsi, static unsigned long exynos_dsi_set_pll(struct exynos_dsi *dsi, unsigned long freq) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; unsigned long fin, fout; int timeout; u8 p, s; @@ -713,8 +713,8 @@ static int exynos_dsi_enable_clock(struct exynos_dsi *dsi) static void exynos_dsi_set_phy_ctrl(struct exynos_dsi *dsi) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; - unsigned int *reg_values = driver_data->reg_values; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const unsigned int *reg_values = driver_data->reg_values; u32 reg; if (driver_data->has_freqband) @@ -789,7 +789,7 @@ static void exynos_dsi_enable_lane(struct exynos_dsi *dsi, u32 lane) static int exynos_dsi_init_link(struct exynos_dsi *dsi) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; int timeout; u32 reg; u32 lanes_mask; @@ -1333,7 +1333,7 @@ static void exynos_dsi_disable_irq(struct exynos_dsi *dsi) static int exynos_dsi_init(struct exynos_dsi *dsi) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; exynos_dsi_reset(dsi); exynos_dsi_enable_irq(dsi); @@ -1494,7 +1494,7 @@ static const struct mipi_dsi_host_ops exynos_dsi_ops = { static int exynos_dsi_poweron(struct exynos_dsi *dsi) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; int ret, i; ret = pm_runtime_get_sync(dsi->dev); @@ -1533,7 +1533,7 @@ err_pm: static void exynos_dsi_poweroff(struct exynos_dsi *dsi) { - struct exynos_dsi_driver_data *driver_data = dsi->driver_data; + const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; int ret, i; usleep_range(10000, 20000); 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