linux-kernel - [PATCH v2 8/9] clk: meson: mpll: correct N2 maximum value

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Message-Id: <20170309104154.28295-9-jbrunet@baylibre.com>
Date:   Thu,  9 Mar 2017 11:41:53 +0100
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>, linux-clk@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 8/9] clk: meson: mpll: correct N2 maximum value

Gxbb datasheet says N2 maximum value is 127 but the register field is
9 bits wide, the maximum value should 511.

Test shows value greater than 127, all the way to 511, works well

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 drivers/clk/meson/clk-mpll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c
index 342b85d4e22a..540dabe5adad 100644
--- a/drivers/clk/meson/clk-mpll.c
+++ b/drivers/clk/meson/clk-mpll.c
@@ -68,7 +68,7 @@
 #define SDM_MIN 1
 #define SDM_MAX 16383
 #define N2_MIN	4
-#define N2_MAX	127
+#define N2_MAX	511
 
 #define to_meson_clk_mpll(_hw) container_of(_hw, struct meson_clk_mpll, hw)
 
-- 
2.9.3