From mboxrd@z Thu Jan 1 00:00:00 1970 From: chander.kashyap@linaro.org (Chander Kashyap) Date: Tue, 6 Aug 2013 14:04:25 +0530 Subject: [RFC PATCH 3/3] clk: Exynos5250: Add alternate parent name for mout_cpu In-Reply-To: <1375778065-21808-1-git-send-email-chander.kashyap@linaro.org> References: <1375778065-21808-1-git-send-email-chander.kashyap@linaro.org> Message-ID: <1375778065-21808-4-git-send-email-chander.kashyap@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Temporary parent migration is required during cpu frequency scaling. Hence this patch adds support to supply alternate parent name for cpu clock i.e. "mout_cpu". Signed-off-by: Chander Kashyap --- drivers/clk/samsung/clk-exynos5250.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 6f767c5..bfd96ba 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -209,10 +209,14 @@ struct samsung_fixed_factor_clock exynos5250_fixed_factor_clks[] __initdata = { }; struct samsung_mux_clock exynos5250_mux_clks[] __initdata = { - MUX_A(none, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, "mout_apll"), - MUX_A(none, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1, "mout_cpu"), + MUX_FA(none, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, + CLK_SET_RATE_PARENT, 0, "mout_apll", NULL), + MUX_FA(none, "mout_cpu", mout_cpu_p, SRC_CPU, 16, 1, + CLK_SET_RATE_PARENT | CLK_SET_RATE_ALTERNATE, + 0, "mout_cpu", "sclk_mpll"), MUX(none, "mout_mpll_fout", mout_mpll_fout_p, PLL_DIV2_SEL, 4, 1), - MUX_A(none, "sclk_mpll", mout_mpll_p, SRC_CORE1, 8, 1, "mout_mpll"), + MUX_FA(none, "sclk_mpll", mout_mpll_p, SRC_CORE1, 8, 1, + CLK_SET_RATE_PARENT, 0, "mout_mpll", NULL), MUX(none, "mout_bpll_fout", mout_bpll_fout_p, PLL_DIV2_SEL, 0, 1), MUX(none, "sclk_bpll", mout_bpll_p, SRC_CDREX, 0, 1), MUX(none, "mout_vpllsrc", mout_vpllsrc_p, SRC_TOP2, 0, 1), -- 1.7.9.5