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Groups > linux.kernel > #1339903

[PATCH 9/9] simplefb: Remove impossible check for of_clk_get_parent_count() < 0

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The check for < 0 is impossible now that
of_clk_get_parent_count() returns an unsigned int. Simplify the
code and update the types.

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: <linux-fbdev@vger.kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---

Please ack so this can go through clk tree along with patch 1.

 drivers/video/fbdev/simplefb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index 48ccf6db62a2..e9cf19977285 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -174,7 +174,7 @@ static int simplefb_parse_pd(struct platform_device *pdev,
 struct simplefb_par {
 	u32 palette[PSEUDO_PALETTE_SIZE];
 #if defined CONFIG_OF && defined CONFIG_COMMON_CLK
-	int clk_count;
+	unsigned int clk_count;
 	struct clk **clks;
 #endif
 #if defined CONFIG_OF && defined CONFIG_REGULATOR
@@ -213,7 +213,7 @@ static int simplefb_clocks_init(struct simplefb_par *par,
 		return 0;
 
 	par->clk_count = of_clk_get_parent_count(np);
-	if (par->clk_count <= 0)
+	if (!par->clk_count)
 		return 0;
 
 	par->clks = kcalloc(par->clk_count, sizeof(struct clk *), GFP_KERNEL);
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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Thread

[PATCH 0/9] Change return type of of_clk_get_parent_count() to unsigned Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 9/9] simplefb: Remove impossible check for of_clk_get_parent_count() < 0 Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
    Re: [PATCH 9/9] simplefb: Remove impossible check for  of_clk_get_parent_count() < 0 Tomi Valkeinen <tomi.valkeinen@ti.com> - 2016-02-26 12:40 +0100
  [PATCH 5/9] clk: st: Remove impossible check for of_clk_get_parent_count() < 0 Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 8/9] usb: dwc3: Remove impossible check for of_clk_get_parent_count() < 0 Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
    Re: [PATCH 8/9] usb: dwc3: Remove impossible check for of_clk_get_parent_count() < 0 Felipe Balbi <balbi@kernel.org> - 2016-02-23 07:50 +0100
  [PATCH 4/9] clk: h8300: Remove impossible check for of_clk_get_parent_count() Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 7/9] clk: ti: Update for of_clk_get_parent_count() returning unsigned int Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 6/9] clk: sunxi: Use proper type for of_clk_get_parent_count() return value Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 2/9] clk: at91: Remove impossible checks for of_clk_get_parent_count() Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 1/9] clk: Make of_clk_get_parent_count() return unsigned ints Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100
  [PATCH 3/9] clk: gpio: Remove impossible check for of_clk_get_parent_count() < 0 Stephen Boyd <sboyd@codeaurora.org> - 2016-02-22 22:00 +0100

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