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SubjectRe: [PATCH v5 01/12] clk: apn806: Add eMMC clock to system controller driver
On 01/11, Gregory CLEMENT wrote:
> From: Konstantin Porotchkin <kostap@marvell.com>
>
> Add fixed clock of 400MHz to system controller driver. This clock is
> used as SD/eMMC clock source.
>
> Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
> Reviewed-by: Omri Itach <omrii@marvell.com>
> Reviewed-by: Hanna Hawa <hannah@marvell.com>
> [fixed up conflicts, added error handling --rmk]
> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> ---

Acked-by: Stephen Boyd <sboyd@codeaurora.org>

> 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

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