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authorOlof Johansson <olof@lixom.net>2013-08-20 20:07:53 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2013-08-21 13:28:08 +0200
commita246968edcfcfe0503fa9bcd5a444e7a5b9986dc (patch)
tree0e14f939ec5e826260c32fc47ee556b976bd5d95 /drivers/char/hw_random/omap-rng.c
parentcrypto: omap-sham - correct dma burst size (diff)
downloadlinux-a246968edcfcfe0503fa9bcd5a444e7a5b9986dc.tar.xz
linux-a246968edcfcfe0503fa9bcd5a444e7a5b9986dc.zip
hwrng: omap - reorder OMAP TRNG driver code
The newly added omap4 support in the driver was added without consideration for building older configs. When building omap1_defconfig, it resulted in: drivers/char/hw_random/omap-rng.c:190:12: warning: 'omap4_rng_init' defined but not used [-Wunused-function] drivers/char/hw_random/omap-rng.c:215:13: warning: 'omap4_rng_cleanup' defined but not used [-Wunused-function] drivers/char/hw_random/omap-rng.c:251:20: warning: 'omap4_rng_irq' defined but not used [-Wunused-function] Move the code around so it is grouped with its operations struct, which for the omap4 case means also under the #ifdef CONFIG_OF, where it needs to be. Signed-off-by: Olof Johansson <olof@lixom.net> Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/char/hw_random/omap-rng.c')
-rw-r--r--drivers/char/hw_random/omap-rng.c108
1 files changed, 54 insertions, 54 deletions
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index f3f71425e7e2..9b89ff4881de 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -140,16 +140,6 @@ static inline void omap_rng_write(struct omap_rng_dev *priv, u16 reg,
__raw_writel(val, priv->base + priv->pdata->regs[reg]);
}
-static inline u32 omap2_rng_data_present(struct omap_rng_dev *priv)
-{
- return omap_rng_read(priv, RNG_STATUS_REG) ? 0 : 1;
-}
-
-static inline u32 omap4_rng_data_present(struct omap_rng_dev *priv)
-{
- return omap_rng_read(priv, RNG_STATUS_REG) & RNG_REG_STATUS_RDY;
-}
-
static int omap_rng_data_present(struct hwrng *rng, int wait)
{
struct omap_rng_dev *priv;
@@ -187,6 +177,60 @@ static int omap_rng_data_read(struct hwrng *rng, u32 *data)
return data_size;
}
+static int omap_rng_init(struct hwrng *rng)
+{
+ struct omap_rng_dev *priv;
+
+ priv = (struct omap_rng_dev *)rng->priv;
+ return priv->pdata->init(priv);
+}
+
+static void omap_rng_cleanup(struct hwrng *rng)
+{
+ struct omap_rng_dev *priv;
+
+ priv = (struct omap_rng_dev *)rng->priv;
+ priv->pdata->cleanup(priv);
+}
+
+static struct hwrng omap_rng_ops = {
+ .name = "omap",
+ .data_present = omap_rng_data_present,
+ .data_read = omap_rng_data_read,
+ .init = omap_rng_init,
+ .cleanup = omap_rng_cleanup,
+};
+
+static inline u32 omap2_rng_data_present(struct omap_rng_dev *priv)
+{
+ return omap_rng_read(priv, RNG_STATUS_REG) ? 0 : 1;
+}
+
+static int omap2_rng_init(struct omap_rng_dev *priv)
+{
+ omap_rng_write(priv, RNG_SYSCONFIG_REG, 0x1);
+ return 0;
+}
+
+static void omap2_rng_cleanup(struct omap_rng_dev *priv)
+{
+ omap_rng_write(priv, RNG_SYSCONFIG_REG, 0x0);
+}
+
+static struct omap_rng_pdata omap2_rng_pdata = {
+ .regs = (u16 *)reg_map_omap2,
+ .data_size = OMAP2_RNG_OUTPUT_SIZE,
+ .data_present = omap2_rng_data_present,
+ .init = omap2_rng_init,
+ .cleanup = omap2_rng_cleanup,
+};
+
+#if defined(CONFIG_OF)
+static inline u32 omap4_rng_data_present(struct omap_rng_dev *priv)
+{
+ return omap_rng_read(priv, RNG_STATUS_REG) & RNG_REG_STATUS_RDY;
+}
+
static int omap4_rng_init(struct omap_rng_dev *priv)
{
u32 val;
@@ -221,33 +265,6 @@ static void omap4_rng_cleanup(struct omap_rng_dev *priv)
omap_rng_write(priv, RNG_CONFIG_REG, val);
}
-static int omap2_rng_init(struct omap_rng_dev *priv)
-{
- omap_rng_write(priv, RNG_SYSCONFIG_REG, 0x1);
- return 0;
-}
-
-static void omap2_rng_cleanup(struct omap_rng_dev *priv)
-{
- omap_rng_write(priv, RNG_SYSCONFIG_REG, 0x0);
-}
-
-static int omap_rng_init(struct hwrng *rng)
-{
- struct omap_rng_dev *priv;
-
- priv = (struct omap_rng_dev *)rng->priv;
- return priv->pdata->init(priv);
-}
-
-static void omap_rng_cleanup(struct hwrng *rng)
-{
- struct omap_rng_dev *priv;
-
- priv = (struct omap_rng_dev *)rng->priv;
- priv->pdata->cleanup(priv);
-}
-
static irqreturn_t omap4_rng_irq(int irq, void *dev_id)
{
struct omap_rng_dev *priv = dev_id;
@@ -275,23 +292,6 @@ static irqreturn_t omap4_rng_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct hwrng omap_rng_ops = {
- .name = "omap",
- .data_present = omap_rng_data_present,
- .data_read = omap_rng_data_read,
- .init = omap_rng_init,
- .cleanup = omap_rng_cleanup,
-};
-
-static struct omap_rng_pdata omap2_rng_pdata = {
- .regs = (u16 *)reg_map_omap2,
- .data_size = OMAP2_RNG_OUTPUT_SIZE,
- .data_present = omap2_rng_data_present,
- .init = omap2_rng_init,
- .cleanup = omap2_rng_cleanup,
-};
-
-#if defined(CONFIG_OF)
static struct omap_rng_pdata omap4_rng_pdata = {
.regs = (u16 *)reg_map_omap4,
.data_size = OMAP4_RNG_OUTPUT_SIZE,