From: Neil Armstrong Date: Wed, 27 Mar 2019 15:13:48 +0000 (+0100) Subject: clk: meson: vid-pll-div: remove warning and return 0 on invalid config X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6620f45ff8519549a6877663f965c10002918dc2;p=openwrt%2Fstaging%2Fblogic.git clk: meson: vid-pll-div: remove warning and return 0 on invalid config The vid_pll_div is a programmable fractional divider, but vendor gives a limited of known configuration value and it's corresponding fraction. Thus when at reset value (0) or unknown value, we cannot determine the result rate. The initial behaviour was to print a warning, but the warning triggers at each boot and when the clock tree is refreshed. This patch moves the print to debug and returns 0 instead of the parent rate. Fixes: 72dbb8c94d0d ("clk: meson: Add vid_pll divider driver") Signed-off-by: Neil Armstrong Reviewed-by: Jerome Brunet Link: https://lkml.kernel.org/r/20190327151348.27402-1-narmstrong@baylibre.com --- diff --git a/drivers/clk/meson/vid-pll-div.c b/drivers/clk/meson/vid-pll-div.c index 08bcc01c0923..daff235bc763 100644 --- a/drivers/clk/meson/vid-pll-div.c +++ b/drivers/clk/meson/vid-pll-div.c @@ -82,8 +82,8 @@ static unsigned long meson_vid_pll_div_recalc_rate(struct clk_hw *hw, div = _get_table_val(meson_parm_read(clk->map, &pll_div->val), meson_parm_read(clk->map, &pll_div->sel)); if (!div || !div->divider) { - pr_info("%s: Invalid config value for vid_pll_div\n", __func__); - return parent_rate; + pr_debug("%s: Invalid config value for vid_pll_div\n", __func__); + return 0; } return DIV_ROUND_UP_ULL(parent_rate * div->multiplier, div->divider);