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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
45 lines
1.6 KiB
Diff
45 lines
1.6 KiB
Diff
From 1a013467030ffd6f1958b8a4db1b5312213fb9bd Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.org>
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Date: Thu, 17 Oct 2019 10:16:16 +0100
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Subject: [PATCH] media: bcm2835-unicam: Replace hard coded loop limit
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with a define
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In order to protect against a dodgy sensor driver never returning
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an error from enum_mbus_code there was a hardcoded value of 128
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that aborted the loop.
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There is a need to call enum_mbus_code from elsewhere, so move that
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number to a define so it is common across calls.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
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---
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drivers/media/platform/bcm2835/bcm2835-unicam.c | 11 ++++++-----
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1 file changed, 6 insertions(+), 5 deletions(-)
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--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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@@ -97,6 +97,11 @@ MODULE_PARM_DESC(debug, "Debug level 0-3
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#define unicam_err(dev, fmt, arg...) \
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v4l2_err(&(dev)->v4l2_dev, fmt, ##arg)
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+/* To protect against a dodgy sensor driver never returning an error from
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+ * enum_mbus_code, set a maximum index value to be used.
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+ */
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+#define MAX_ENUM_MBUS_CODE 128
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+
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/*
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* Stride is a 16 bit register, but also has to be a multiple of 16.
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*/
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@@ -738,11 +743,7 @@ static int unicam_enum_fmt_vid_cap(struc
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int ret = 0;
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int i;
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- /* Loop whilst the sensor driver says it has more formats, but add a
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- * failsafe against a dodgy driver at 128 (more than any sensor will
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- * ever sensibly advertise)
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- */
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- for (i = 0; !ret && i < 128 ; i++) {
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+ for (i = 0; !ret && i < MAX_ENUM_MBUS_CODE; i++) {
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memset(&mbus_code, 0, sizeof(mbus_code));
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mbus_code.index = i;
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