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Date: Fri, 15 Mar 2013 13:32:49 -0600 From: Stephen Warren <swarren@...dotorg.org> To: Laxman Dewangan <ldewangan@...dia.com> CC: wsa@...-dreams.de, khali@...ux-fr.org, linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] i2c: tegra: check the clk_prepare_enable() return value On 03/15/2013 09:34 AM, Laxman Dewangan wrote: > NVIDIA's Tegra SoC allows read/write of controller register only > if controller clock is enabled. System hangs if read/write happens > to registers without enabling clock. > > clk_prepare_enable() can be fail due to unknown reason and hence > adding check for return value of this function. If this function > success then only access register otherwise return to caller with > error. Wolfram, Reviewed-by: Stephen Warren <swarren@...dia.com> This is probably suitable for Cc: stable. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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