From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
commit ef37427ac5677331145ab27a17e6f5f1b43f0c11 upstream.
Similarly to the aemif clock - this screws up the linked list of clock
children. Create a separate clock for mdio inheriting the rate from
emac_clk.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
[nsekhar@xxxxxx: add a comment over mdio_clk to explaing its existence +
commit headline updates]
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
arch/arm/mach-davinci/da850.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index f56e5fbfa2fd..25f11492c33f 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -297,6 +297,16 @@ static struct clk emac_clk = {
.gpsc = 1,
};
+/*
+ * In order to avoid adding the emac_clk to the clock lookup table twice (and
+ * screwing up the linked list in the process) create a separate clock for
+ * mdio inheriting the rate from emac_clk.
+ */
+static struct clk mdio_clk = {
+ .name = "mdio",
+ .parent = &emac_clk,
+};
+
static struct clk mcasp_clk = {
.name = "mcasp",
.parent = &pll0_sysclk2,
@@ -461,7 +471,7 @@ static struct clk_lookup da850_clks[] = {
CLK(NULL, "arm", &arm_clk),
CLK(NULL, "rmii", &rmii_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
- CLK("davinci_mdio.0", "fck", &emac_clk),
+ CLK("davinci_mdio.0", "fck", &mdio_clk),
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
CLK("da830-mmc.0", NULL, &mmcsd0_clk),
--
2.11.0
--
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