drm/tegra: sor: Registers are 32-bit

Use a sized unsigned 32-bit data type (u32) to store register contents.
The SOR registers are 32 bits wide irrespective of the architecture's
data width.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 2afe478ded3ba78e215f678f0ecd0ce09f520755..59b8aec1aeaed3015f5cde9b34004ebf8c7d12c2 100644 (file)
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -68,13 +68,12 @@ static inline struct tegra_sor *to_sor(struct tegra_output *output)
        return container_of(output, struct tegra_sor, output);
 }
 
-static inline unsigned long tegra_sor_readl(struct tegra_sor *sor,
-                                           unsigned long offset)
+static inline u32 tegra_sor_readl(struct tegra_sor *sor, unsigned long offset)
 {
        return readl(sor->regs + (offset << 2));
 }
 
-static inline void tegra_sor_writel(struct tegra_sor *sor, unsigned long value,
+static inline void tegra_sor_writel(struct tegra_sor *sor, u32 value,
                                    unsigned long offset)
 {
        writel(value, sor->regs + (offset << 2));
@@ -83,9 +82,9 @@ static inline void tegra_sor_writel(struct tegra_sor *sor, unsigned long value,
 static int tegra_sor_dp_train_fast(struct tegra_sor *sor,
                                   struct drm_dp_link *link)
 {
-       unsigned long value;
        unsigned int i;
        u8 pattern;
+       u32 value;
        int err;
 
        /* setup lane parameters */
@@ -202,7 +201,7 @@ static void tegra_sor_update(struct tegra_sor *sor)
 
 static int tegra_sor_setup_pwm(struct tegra_sor *sor, unsigned long timeout)
 {
-       unsigned long value;
+       u32 value;
 
        value = tegra_sor_readl(sor, SOR_PWM_DIV);
        value &= ~SOR_PWM_DIV_MASK;
@@ -281,7 +280,7 @@ static int tegra_sor_wakeup(struct tegra_sor *sor)
 
 static int tegra_sor_power_up(struct tegra_sor *sor, unsigned long timeout)
 {
-       unsigned long value;
+       u32 value;
 
        value = tegra_sor_readl(sor, SOR_PWR);
        value |= SOR_PWR_TRIGGER | SOR_PWR_NORMAL_STATE_PU;
@@ -791,8 +790,8 @@ static void tegra_sor_encoder_mode_set(struct drm_encoder *encoder,
        struct tegra_sor_config config;
        struct drm_dp_link link;
        struct drm_dp_aux *aux;
-       unsigned long value;
        int err = 0;
+       u32 value;
 
        mutex_lock(&sor->lock);