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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>
49 lines
1.9 KiB
Diff
49 lines
1.9 KiB
Diff
From 38ca046063ee6fcef66c9c3bec5844a65f9d48d9 Mon Sep 17 00:00:00 2001
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From: Mariusz Bialonczyk <manio@skyboo.net>
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Date: Thu, 30 May 2019 09:51:25 +0200
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Subject: [PATCH] w1: ds2413: fix state byte comparision
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commit aacd152ecd7b18af5d2d96dea9e7284c1c93abea upstream.
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This commit is fixing a smatch warning:
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drivers/w1/slaves/w1_ds2413.c:61 state_read() warn: impossible condition '(*buf == 255) => ((-128)-127 == 255)'
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by creating additional u8 variable for the bus reading and comparision
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Reported-by: kbuild test robot <lkp@intel.com>
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Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
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Cc: Dan Carpenter <dan.carpenter@oracle.com>
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Fixes: 3856032a0628 ("w1: ds2413: when the slave is not responding during read, select it again")
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Signed-off-by: Mariusz Bialonczyk <manio@skyboo.net>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/w1/slaves/w1_ds2413.c | 8 +++++---
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1 file changed, 5 insertions(+), 3 deletions(-)
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--- a/drivers/w1/slaves/w1_ds2413.c
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+++ b/drivers/w1/slaves/w1_ds2413.c
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@@ -33,6 +33,7 @@ static ssize_t state_read(struct file *f
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struct w1_slave *sl = kobj_to_w1_slave(kobj);
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unsigned int retries = W1_F3A_RETRIES;
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ssize_t bytes_read = -EIO;
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+ u8 state;
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dev_dbg(&sl->dev,
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"Reading %s kobj: %p, off: %0#10x, count: %zu, buff addr: %p",
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@@ -53,12 +54,13 @@ next:
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while (retries--) {
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w1_write_8(sl->master, W1_F3A_FUNC_PIO_ACCESS_READ);
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- *buf = w1_read_8(sl->master);
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- if ((*buf & 0x0F) == ((~*buf >> 4) & 0x0F)) {
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+ state = w1_read_8(sl->master);
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+ if ((state & 0x0F) == ((~state >> 4) & 0x0F)) {
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/* complement is correct */
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+ *buf = state;
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bytes_read = 1;
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goto out;
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- } else if (*buf == W1_F3A_INVALID_PIO_STATE) {
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+ } else if (state == W1_F3A_INVALID_PIO_STATE) {
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/* slave didn't respond, try to select it again */
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dev_warn(&sl->dev, "slave device did not respond to PIO_ACCESS_READ, " \
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"reselecting, retries left: %d\n", retries);
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