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drm/exynos: dsi: use generic of_device_get_match_data helper 

Simplify code by replacing custom code by generic helper and add missing
const qualifier to driver data structures.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Marek Szyprowski 2016-04-19 09:37:10 +02:00 committed by Inki Dae
parent 217afc1ee4
commit 2154ac9229
1 changed files with 9 additions and 18 deletions
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27
drivers/gpu/drm/exynos/exynos_drm_dsi.c
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@ -280,7 +280,7 @@ 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;
};
@ -532,15 +532,6 @@ static const struct of_device_id exynos_dsi_of_match[] = {
{ }
};
static inline 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;
}
static void exynos_dsi_wait_for_reset(struct exynos_dsi *dsi)
{
if (wait_for_completion_timeout(&dsi->completed, msecs_to_jiffies(300)))
@ -564,7 +555,7 @@ 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;
@ -618,7 +609,7 @@ 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;
@ -712,7 +703,7 @@ 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;
const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
const unsigned int *reg_values = driver_data->reg_values;
u32 reg;
@ -790,7 +781,7 @@ 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;
@ -1334,7 +1325,7 @@ 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);
@ -1833,7 +1824,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
dsi->dsi_host.dev = dev;
dsi->dev = dev;
dsi->driver_data = exynos_dsi_get_driver_data(pdev);
dsi->driver_data = of_device_get_match_data(dev);
ret = exynos_dsi_parse_dt(dsi);
if (ret)
@ -1917,7 +1908,7 @@ static int __maybe_unused exynos_dsi_suspend(struct device *dev)
{
struct drm_encoder *encoder = dev_get_drvdata(dev);
struct exynos_dsi *dsi = encoder_to_dsi(encoder);
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);
@ -1948,7 +1939,7 @@ static int __maybe_unused exynos_dsi_resume(struct device *dev)
{
struct drm_encoder *encoder = dev_get_drvdata(dev);
struct exynos_dsi *dsi = encoder_to_dsi(encoder);
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 = regulator_bulk_enable(ARRAY_SIZE(dsi->supplies), dsi->supplies);