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path: root/kernel/drivers/clk/clk-xgene.c
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Diffstat (limited to 'kernel/drivers/clk/clk-xgene.c')
-rw-r--r--kernel/drivers/clk/clk-xgene.c47
1 files changed, 23 insertions, 24 deletions
diff --git a/kernel/drivers/clk/clk-xgene.c b/kernel/drivers/clk/clk-xgene.c
index dd8a62d8f..27c0da29e 100644
--- a/kernel/drivers/clk/clk-xgene.c
+++ b/kernel/drivers/clk/clk-xgene.c
@@ -27,7 +27,6 @@
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/of_address.h>
-#include <asm/setup.h>
/* Register SCU_PCPPLL bit fields */
#define N_DIV_RD(src) (((src) & 0x000001ff))
@@ -42,12 +41,12 @@
static DEFINE_SPINLOCK(clk_lock);
-static inline u32 xgene_clk_read(void *csr)
+static inline u32 xgene_clk_read(void __iomem *csr)
{
return readl_relaxed(csr);
}
-static inline void xgene_clk_write(u32 data, void *csr)
+static inline void xgene_clk_write(u32 data, void __iomem *csr)
{
return writel_relaxed(data, csr);
}
@@ -60,7 +59,6 @@ enum xgene_pll_type {
struct xgene_clk_pll {
struct clk_hw hw;
- const char *name;
void __iomem *reg;
spinlock_t *lock;
u32 pll_offset;
@@ -75,7 +73,7 @@ static int xgene_clk_pll_is_enabled(struct clk_hw *hw)
u32 data;
data = xgene_clk_read(pllclk->reg + pllclk->pll_offset);
- pr_debug("%s pll %s\n", pllclk->name,
+ pr_debug("%s pll %s\n", clk_hw_get_name(hw),
data & REGSPEC_RESET_F1_MASK ? "disabled" : "enabled");
return data & REGSPEC_RESET_F1_MASK ? 0 : 1;
@@ -113,13 +111,13 @@ static unsigned long xgene_clk_pll_recalc_rate(struct clk_hw *hw,
fref = parent_rate / nref;
fvco = fref * nfb;
}
- pr_debug("%s pll recalc rate %ld parent %ld\n", pllclk->name,
+ pr_debug("%s pll recalc rate %ld parent %ld\n", clk_hw_get_name(hw),
fvco / nout, parent_rate);
return fvco / nout;
}
-const struct clk_ops xgene_clk_pll_ops = {
+static const struct clk_ops xgene_clk_pll_ops = {
.is_enabled = xgene_clk_pll_is_enabled,
.recalc_rate = xgene_clk_pll_recalc_rate,
};
@@ -146,7 +144,6 @@ static struct clk *xgene_register_clk_pll(struct device *dev,
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
- apmclk->name = name;
apmclk->reg = reg;
apmclk->lock = lock;
apmclk->pll_offset = pll_offset;
@@ -167,7 +164,7 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty
{
const char *clk_name = np->full_name;
struct clk *clk;
- void *reg;
+ void __iomem *reg;
reg = of_iomap(np, 0);
if (reg == NULL) {
@@ -210,7 +207,6 @@ struct xgene_dev_parameters {
struct xgene_clk {
struct clk_hw hw;
- const char *name;
spinlock_t *lock;
struct xgene_dev_parameters param;
};
@@ -222,20 +218,22 @@ static int xgene_clk_enable(struct clk_hw *hw)
struct xgene_clk *pclk = to_xgene_clk(hw);
unsigned long flags = 0;
u32 data;
+ phys_addr_t reg;
if (pclk->lock)
spin_lock_irqsave(pclk->lock, flags);
if (pclk->param.csr_reg != NULL) {
- pr_debug("%s clock enabled\n", pclk->name);
+ pr_debug("%s clock enabled\n", clk_hw_get_name(hw));
+ reg = __pa(pclk->param.csr_reg);
/* First enable the clock */
data = xgene_clk_read(pclk->param.csr_reg +
pclk->param.reg_clk_offset);
data |= pclk->param.reg_clk_mask;
xgene_clk_write(data, pclk->param.csr_reg +
pclk->param.reg_clk_offset);
- pr_debug("%s clock PADDR base 0x%016LX clk offset 0x%08X mask 0x%08X value 0x%08X\n",
- pclk->name, __pa(pclk->param.csr_reg),
+ pr_debug("%s clock PADDR base %pa clk offset 0x%08X mask 0x%08X value 0x%08X\n",
+ clk_hw_get_name(hw), &reg,
pclk->param.reg_clk_offset, pclk->param.reg_clk_mask,
data);
@@ -245,8 +243,8 @@ static int xgene_clk_enable(struct clk_hw *hw)
data &= ~pclk->param.reg_csr_mask;
xgene_clk_write(data, pclk->param.csr_reg +
pclk->param.reg_csr_offset);
- pr_debug("%s CSR RESET PADDR base 0x%016LX csr offset 0x%08X mask 0x%08X value 0x%08X\n",
- pclk->name, __pa(pclk->param.csr_reg),
+ pr_debug("%s CSR RESET PADDR base %pa csr offset 0x%08X mask 0x%08X value 0x%08X\n",
+ clk_hw_get_name(hw), &reg,
pclk->param.reg_csr_offset, pclk->param.reg_csr_mask,
data);
}
@@ -267,7 +265,7 @@ static void xgene_clk_disable(struct clk_hw *hw)
spin_lock_irqsave(pclk->lock, flags);
if (pclk->param.csr_reg != NULL) {
- pr_debug("%s clock disabled\n", pclk->name);
+ pr_debug("%s clock disabled\n", clk_hw_get_name(hw));
/* First put the CSR in reset */
data = xgene_clk_read(pclk->param.csr_reg +
pclk->param.reg_csr_offset);
@@ -293,10 +291,10 @@ static int xgene_clk_is_enabled(struct clk_hw *hw)
u32 data = 0;
if (pclk->param.csr_reg != NULL) {
- pr_debug("%s clock checking\n", pclk->name);
+ pr_debug("%s clock checking\n", clk_hw_get_name(hw));
data = xgene_clk_read(pclk->param.csr_reg +
pclk->param.reg_clk_offset);
- pr_debug("%s clock is %s\n", pclk->name,
+ pr_debug("%s clock is %s\n", clk_hw_get_name(hw),
data & pclk->param.reg_clk_mask ? "enabled" :
"disabled");
}
@@ -319,11 +317,13 @@ static unsigned long xgene_clk_recalc_rate(struct clk_hw *hw,
data &= (1 << pclk->param.reg_divider_width) - 1;
pr_debug("%s clock recalc rate %ld parent %ld\n",
- pclk->name, parent_rate / data, parent_rate);
+ clk_hw_get_name(hw),
+ parent_rate / data, parent_rate);
+
return parent_rate / data;
} else {
pr_debug("%s clock recalc rate %ld parent %ld\n",
- pclk->name, parent_rate, parent_rate);
+ clk_hw_get_name(hw), parent_rate, parent_rate);
return parent_rate;
}
}
@@ -355,7 +355,7 @@ static int xgene_clk_set_rate(struct clk_hw *hw, unsigned long rate,
data |= divider;
xgene_clk_write(data, pclk->param.divider_reg +
pclk->param.reg_divider_offset);
- pr_debug("%s clock set rate %ld\n", pclk->name,
+ pr_debug("%s clock set rate %ld\n", clk_hw_get_name(hw),
parent_rate / divider_save);
} else {
divider_save = 1;
@@ -386,7 +386,7 @@ static long xgene_clk_round_rate(struct clk_hw *hw, unsigned long rate,
return parent_rate / divider;
}
-const struct clk_ops xgene_clk_ops = {
+static const struct clk_ops xgene_clk_ops = {
.enable = xgene_clk_enable,
.disable = xgene_clk_disable,
.is_enabled = xgene_clk_is_enabled,
@@ -417,7 +417,6 @@ static struct clk *xgene_register_clk(struct device *dev,
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
- apmclk->name = name;
apmclk->lock = lock;
apmclk->hw.init = &init;
apmclk->param = *parameters;
@@ -456,7 +455,7 @@ static void __init xgene_devclk_init(struct device_node *np)
parameters.csr_reg = NULL;
parameters.divider_reg = NULL;
for (i = 0; i < 2; i++) {
- void *map_res;
+ void __iomem *map_res;
rc = of_address_to_resource(np, i, &res);
if (rc != 0) {
if (i == 0) {