[PATCH 4/4] ARM: imx6q: prepare and enable init on clks directly instead of clk_get first
Sascha Hauer
s.hauer at pengutronix.de
Wed May 16 06:50:21 EDT 2012
From: Richard Zhao <richard.zhao at freescale.com>
This also removes the usboh3 clk from the initially turned on
clocks which leaked in from an internal development tree.
Signed-off-by: Richard Zhao <richard.zhao at freescale.com>
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
arch/arm/mach-imx/clk-imx6q.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 24324f2..7b4751d 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -122,10 +122,6 @@ static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5
"dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
"ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio", };
-static const char * const clks_init_on[] __initconst = {
- "mmdc_ch0_axi", "mmdc_ch1_axi", "usboh3",
-};
-
enum mx6q_clks {
dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
pll3_pfd0_720m, pll3_pfd1_540m, pll3_pfd2_508m, pll3_pfd3_454m,
@@ -160,11 +156,14 @@ enum mx6q_clks {
static struct clk *clk[clk_max];
+static enum mx6q_clks const clks_init_on[] __initconst = {
+ mmdc_ch0_axi, mmdc_ch1_axi,
+};
+
int __init mx6q_clocks_init(void)
{
struct device_node *np;
void __iomem *base;
- struct clk *c;
int i, irq;
clk[dummy] = imx_clk_fixed("dummy", 0);
@@ -419,15 +418,8 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
- for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) {
- c = clk_get_sys(clks_init_on[i], NULL);
- if (IS_ERR(c)) {
- pr_err("%s: failed to get clk %s", __func__,
- clks_init_on[i]);
- return PTR_ERR(c);
- }
- clk_prepare_enable(c);
- }
+ for (i = 0; i < ARRAY_SIZE(clks_init_on); i++)
+ clk_prepare_enable(clk[clks_init_on[i]]);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);
--
1.7.10
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