[PATCH v2 2/6] drivers: net: cpts: Remove hardcoded clock name for CPTS

From: George Cherian
Date: Fri May 02 2014 - 02:36:50 EST


CPTS refclk name is hardcoded, which makes it fail in case of DRA7x
Remove the hardcoded clock name for CPTS refclk and get the same from DT.

Signed-off-by: George Cherian <george.cherian@xxxxxx>
---
drivers/net/ethernet/ti/cpts.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 2435139..6b56f85 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -236,13 +236,11 @@ static void cpts_overflow_check(struct work_struct *work)
schedule_delayed_work(&cpts->overflow_work, CPTS_OVERFLOW_PERIOD);
}

-#define CPTS_REF_CLOCK_NAME "cpsw_cpts_rft_clk"
-
-static void cpts_clk_init(struct cpts *cpts)
+static void cpts_clk_init(struct device *dev, struct cpts *cpts)
{
- cpts->refclk = clk_get(NULL, CPTS_REF_CLOCK_NAME);
+ cpts->refclk = devm_clk_get(dev, "cpts");
if (IS_ERR(cpts->refclk)) {
- pr_err("Failed to clk_get %s\n", CPTS_REF_CLOCK_NAME);
+ dev_err(dev, "Failed to get cpts refclk\n");
cpts->refclk = NULL;
return;
}
@@ -252,7 +250,6 @@ static void cpts_clk_init(struct cpts *cpts)
static void cpts_clk_release(struct cpts *cpts)
{
clk_disable(cpts->refclk);
- clk_put(cpts->refclk);
}

static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
@@ -390,7 +387,7 @@ int cpts_register(struct device *dev, struct cpts *cpts,
for (i = 0; i < CPTS_MAX_EVENTS; i++)
list_add(&cpts->pool_data[i].list, &cpts->pool);

- cpts_clk_init(cpts);
+ cpts_clk_init(dev, cpts);
cpts_write32(cpts, CPTS_EN, control);
cpts_write32(cpts, TS_PEND_EN, int_enable);

--
1.8.3.1

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