linux-kernel - [PATCH v2 02/16] mmc: meson-gx: remove CLK_DIVIDER_ALLOW

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Date:   Mon, 21 Aug 2017 18:02:47 +0200
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>, linux-mmc@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 02/16] mmc: meson-gx: remove CLK_DIVIDER_ALLOW_ZERO clock flag

Remove CLK_DIVIDER_ALLOW_ZERO. This flag means that a 1 based divider
with a 0 value will behave as a bypass clock

The mmc divider does not behave like this, a 0 value disables the clock
Remove this flag so CCF never allows a 0 value on this clock

Fixes: 51c5d8447bd7 ("MMC: meson: initial support for GX platforms")
Reviewed-by: Kevin Hilman <khilman@...libre.com>
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 drivers/mmc/host/meson-gx-mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 4217287923d4..d480a8052a06 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -389,7 +389,7 @@ static int meson_mmc_clk_init(struct meson_host *host)
 	host->cfg_div.width = __builtin_popcountl(CLK_DIV_MASK);
 	host->cfg_div.hw.init = &init;
 	host->cfg_div.flags = CLK_DIVIDER_ONE_BASED |
-		CLK_DIVIDER_ROUND_CLOSEST | CLK_DIVIDER_ALLOW_ZERO;
+		CLK_DIVIDER_ROUND_CLOSEST;
 
 	host->cfg_div_clk = devm_clk_register(host->dev, &host->cfg_div.hw);
 	if (WARN_ON(PTR_ERR_OR_ZERO(host->cfg_div_clk)))
-- 
2.9.5