linux-kernel - [PATCH 15/16] video: fbdev: pxafb: use new match

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Date:   Wed, 8 May 2019 14:28:41 +0300
From:   Alexandru Ardelean <alexandru.ardelean@...log.com>
To:     <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        <linux-ide@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-rpi-kernel@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-rockchip@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <intel-gfx@...ts.freedesktop.org>, <linux-omap@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>, <linux-wireless@...r.kernel.org>,
        <netdev@...r.kernel.org>, <linux-pci@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        <linux-usb@...r.kernel.org>, <kvm@...r.kernel.org>,
        <linux-fbdev@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
        <cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-security-module@...r.kernel.org>,
        <linux-integrity@...r.kernel.org>, <alsa-devel@...a-project.org>
CC:     <gregkh@...uxfoundation.org>, <andriy.shevchenko@...ux.intel.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH 15/16] video: fbdev: pxafb: use new match_string() helper/macro

The `lcd_types` array is a static array of strings.
Using match_string() (which computes the array size via ARRAY_SIZE())
is possible.

This reduces the array by 1 element, since the NULL (at the end of the
array) is no longer needed.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
---
 drivers/video/fbdev/pxafb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index 0025781e6e1e..e657a04f5b1d 100644
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -2114,7 +2114,7 @@ static void pxafb_check_options(struct device *dev, struct pxafb_mach_info *inf)
 #if defined(CONFIG_OF)
 static const char * const lcd_types[] = {
 	"unknown", "mono-stn", "mono-dstn", "color-stn", "color-dstn",
-	"color-tft", "smart-panel", NULL
+	"color-tft", "smart-panel"
 };
 
 static int of_get_pxafb_display(struct device *dev, struct device_node *disp,
@@ -2129,7 +2129,7 @@ static int of_get_pxafb_display(struct device *dev, struct device_node *disp,
 	if (ret)
 		s = "color-tft";
 
-	i = __match_string(lcd_types, -1, s);
+	i = match_string(lcd_types, s);
 	if (i < 0) {
 		dev_err(dev, "lcd-type %s is unknown\n", s);
 		return i;
-- 
2.17.1