Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki On 06/09/17 13:36, Keerthy wrote:
Reset the mcasp3_ahclkx_mux to abe_24m_fclk. This is needed in case of kexec where the reset values might be wiped off. Signed-off-by: Keerthy <j-keerthy@xxxxxx>
Why not do this in DT with the assigned-clock-xyz properties available? -Tero
--- drivers/clk/ti/clk-7xx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c index 9fd6043..2c3a36c 100644 --- a/drivers/clk/ti/clk-7xx.c +++ b/drivers/clk/ti/clk-7xx.c @@ -312,7 +312,7 @@ int __init dra7xx_dt_clk_init(void) { int rc; - struct clk *dpll_ck, *hdcp_ck; + struct clk *dpll_ck, *hdcp_ck, *mcasp3_ahclkx_ck, *abe_ck;ti_dt_clocks_register(dra7xx_clks); @@ -338,5 +338,12 @@ int __init dra7xx_dt_clk_init(void)if (rc) pr_err("%s: failed to set dss_deshdcp_clk\n", __func__);+ mcasp3_ahclkx_ck = clk_get_sys(NULL, "mcasp3_ahclkx_mux");+ abe_ck = clk_get_sys(NULL, "abe_24m_fclk"); + rc = clk_set_parent(mcasp3_ahclkx_ck, abe_ck); + if (rc) + pr_err("%s: failed to set parent for mcasp3_ahclkx_mux\n", + __func__); + return rc; }
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