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[4.2.y-ckt,020/218] clk: rockchip: Add pclk_peri to critical clocks on RK3066/RK3188

Message ID 1459455431-12687-21-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa March 31, 2016, 8:13 p.m. UTC 
4.2.8-ckt7 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Romain Perier <romain.perier@gmail.com>

commit 3bba75a2ec32bd5fa7024a4de3b8cf9ee113a76a upstream.

Now that the rockchip clock subsystem does clock gating with GPIO banks,
these are no longer enabled once during probe and no longer stay enabled
for eternity. When all these clocks are disabled, the parent clock pclk_peri
might be disabled too, as no other child claims it. So, we need to add pclk_peri
to the critical clocks.

Signed-off-by: Romain Perier <romain.perier@gmail.com>
Tested-by: Michael Niewoehner <linux@mniewoehner.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/clk/rockchip/clk-rk3188.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index 1c93229..de08586 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -709,6 +709,7 @@  static const char *const rk3188_critical_clocks[] __initconst = {
 	"aclk_peri",
 	"hclk_peri",
 	"pclk_cpu",
+	"pclk_peri",
 };
 
 static void __init rk3188_common_clk_init(struct device_node *np)