From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: [PATCH v2] clk: ti: fix dual-registration of uart4_ick Date: Tue, 29 Sep 2015 15:01:08 +0100 Message-ID: <1443535268-22586-1-git-send-email-ben.dooks@codethink.co.uk> Return-path: Sender: stable-owner@vger.kernel.org To: linux-kernel@lists.codethink.co.uk Cc: Ben Dooks , stable@vger.kernel.org, mturquette@baylibre.com, sboyd@codeaurora.org, linux-clk@vger.kernel.org, linux-omap@vger.kernel.org, t-kristo@ti.com List-Id: linux-omap@vger.kernel.org On the OMAP AM3517 platform the uart4_ick gets registered twice, causing any power managment to /dev/ttyO3 to fail when trying to wake the device up. This solves the following oops: [] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa09e008 [] PC is at serial_omap_pm+0x48/0x15c [] LR is at _raw_spin_unlock_irqrestore+0x30/0x5c Cc: stable@vger.kernel.org Cc: mturquette@baylibre.com Cc: sboyd@codeaurora.org Cc: linux-clk@vger.kernel.org Cc: linux-omap@vger.kernel.org Cc: t-kristo@ti.com Cc: linux-kernel@lists.codethink.co.uk Signed-off-by: Ben Dooks -- v2: - fix omap36xx series clock registration for uart4 --- drivers/clk/ti/clk-3xxx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/clk/ti/clk-3xxx.c b/drivers/clk/ti/clk-3xxx.c index 5e12f32..8d94b97 100644 --- a/drivers/clk/ti/clk-3xxx.c +++ b/drivers/clk/ti/clk-3xxx.c @@ -374,7 +374,6 @@ static struct ti_dt_clk omap3xxx_clks[] = { DT_CLK(NULL, "gpio2_ick", "gpio2_ick"), DT_CLK(NULL, "wdt3_ick", "wdt3_ick"), DT_CLK(NULL, "uart3_ick", "uart3_ick"), - DT_CLK(NULL, "uart4_ick", "uart4_ick"), DT_CLK(NULL, "gpt9_ick", "gpt9_ick"), DT_CLK(NULL, "gpt8_ick", "gpt8_ick"), DT_CLK(NULL, "gpt7_ick", "gpt7_ick"), @@ -523,6 +522,7 @@ static struct ti_dt_clk am35xx_clks[] = { static struct ti_dt_clk omap36xx_clks[] = { DT_CLK(NULL, "omap_192m_alwon_fck", "omap_192m_alwon_fck"), DT_CLK(NULL, "uart4_fck", "uart4_fck"), + DT_CLK(NULL, "uart4_ick", "uart4_ick"), { .node_name = NULL }, }; -- 2.5.3