From mboxrd@z Thu Jan 1 00:00:00 1970 From: sboyd@codeaurora.org (Stephen Boyd) Date: Fri, 20 Jan 2017 16:16:48 -0800 Subject: [PATCH v5 01/12] clk: apn806: Add eMMC clock to system controller driver In-Reply-To: References: Message-ID: <20170121001648.GJ20800@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/11, Gregory CLEMENT wrote: > From: Konstantin Porotchkin > > Add fixed clock of 400MHz to system controller driver. This clock is > used as SD/eMMC clock source. > > Signed-off-by: Konstantin Porotchkin > Reviewed-by: Omri Itach > Reviewed-by: Hanna Hawa > [fixed up conflicts, added error handling --rmk] > Signed-off-by: Russell King > Signed-off-by: Gregory CLEMENT > --- Acked-by: Stephen Boyd > diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c > index 8181b919f062..0a785076b0c6 100644 > --- a/drivers/clk/mvebu/ap806-system-controller.c > +++ b/drivers/clk/mvebu/ap806-system-controller.c > @@ -117,6 +117,17 @@ static int ap806_syscon_clk_probe(struct platform_device *pdev) > goto fail3; > } > > + /* eMMC Clock is fixed clock divided by 3 */ > + of_property_read_string_index(np, "clock-output-names", > + 4, &name); This could check for failure and not register the clk if the name isn't there? Then dts can be backwards compatible. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project