Re: [RFC 02/12] clk: qcom: flag for 64 bit CONFIG_CTL
From: Stephen Boyd <hidden>
Date: 2017-08-01 21:17:16
Also in:
linux-arm-msm, lkml
On 07/30, Abhishek Sahu wrote:
On 2017-07-29 00:03, Stephen Boyd wrote:quoted
On 07/27, Abhishek Sahu wrote:quoted
diff --git a/drivers/clk/qcom/clk-alpha-pll.cb/drivers/clk/qcom/clk-alpha-pll.c index 47a1da3..e6cde2d 100644--- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c@@ -118,7 +118,10 @@ void clk_alpha_pll_configure(structclk_alpha_pll *pll, struct regmap *regmap, regmap_write(regmap, off + PLL_L_VAL, config->l); regmap_write(regmap, off + PLL_ALPHA_VAL, config->alpha); regmap_write(regmap, off + PLL_CONFIG_CTL, config->config_ctl_val); - regmap_write(regmap, off + PLL_CONFIG_CTL_U, config->config_ctl_hi_val); + + if (pll->flags & SUPPORTS_64BIT_CONFIG_CTL) + regmap_write(regmap, off + PLL_CONFIG_CTL_U, + config->config_ctl_hi_val);Is there a hole there? I mean a RAZ/WI register so we can just keep writing it and not care?We don't have hole for most of the alpha PLL. The offset for CONFIG_CTL itself is not same for all types of Alpha PLL and the same is being handled in patch 4 of this patch series. Spark PLL CONFIG_CTL 0x18 TEST_CTL 0x1C TEST_CTL_U 0x20 Brammo PLL CONFIG_CTL 0x18 TEST_CTL 0x1C PLL_STATUS 0x24 Hyuara PLL CONFIG_CTL 0x14 CONFIG_CTL_U 0x18 TEST_CTL 0x1c
Ok. Thanks for checking. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project