aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.19/950-0672-w1-ds2413-output_write-cosmetic-fixes-simplify.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0672-w1-ds2413-output_write-cosmetic-fixes-simplify.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0672-w1-ds2413-output_write-cosmetic-fixes-simplify.patch64
1 files changed, 0 insertions, 64 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0672-w1-ds2413-output_write-cosmetic-fixes-simplify.patch b/target/linux/brcm2708/patches-4.19/950-0672-w1-ds2413-output_write-cosmetic-fixes-simplify.patch
deleted file mode 100644
index 5bf8d89b23..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0672-w1-ds2413-output_write-cosmetic-fixes-simplify.patch
+++ /dev/null
@@ -1,64 +0,0 @@
-From 8cebfa181f4bead15fb2dd73756a4d139339c83b Mon Sep 17 00:00:00 2001
-From: Mariusz Bialonczyk <manio@skyboo.net>
-Date: Mon, 20 May 2019 09:05:55 +0200
-Subject: [PATCH 672/725] w1: ds2413: output_write() cosmetic fixes / simplify
-
-commit ae2ee27aa985232f66421d7cd1c7f4b87c7dba7d upstream.
-
-Make the output_write simpler.
-Based on Jean-Francois Dagenais code from:
-49695ac46861 ("w1: ds2408: reset on output_write retry with readback")
-
-Signed-off-by: Mariusz Bialonczyk <manio@skyboo.net>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/w1/slaves/w1_ds2413.c | 19 +++++++++++--------
- 1 file changed, 11 insertions(+), 8 deletions(-)
-
---- a/drivers/w1/slaves/w1_ds2413.c
-+++ b/drivers/w1/slaves/w1_ds2413.c
-@@ -69,6 +69,7 @@ static ssize_t output_write(struct file
- struct w1_slave *sl = kobj_to_w1_slave(kobj);
- u8 w1_buf[3];
- unsigned int retries = W1_F3A_RETRIES;
-+ ssize_t bytes_written = -EIO;
-
- if (count != 1 || off != 0)
- return -EFAULT;
-@@ -78,7 +79,7 @@ static ssize_t output_write(struct file
- dev_dbg(&sl->dev, "mutex locked");
-
- if (w1_reset_select_slave(sl))
-- goto error;
-+ goto out;
-
- /* according to the DS2413 datasheet the most significant 6 bits
- should be set to "1"s, so do it now */
-@@ -91,18 +92,20 @@ static ssize_t output_write(struct file
- w1_write_block(sl->master, w1_buf, 3);
-
- if (w1_read_8(sl->master) == W1_F3A_SUCCESS_CONFIRM_BYTE) {
-- mutex_unlock(&sl->master->bus_mutex);
-- dev_dbg(&sl->dev, "mutex unlocked, retries:%d", retries);
-- return 1;
-+ bytes_written = 1;
-+ goto out;
- }
- if (w1_reset_resume_command(sl->master))
-- goto error;
-+ goto out; /* unrecoverable error */
-+
-+ dev_warn(&sl->dev, "PIO_ACCESS_WRITE error, retries left: %d\n", retries);
- }
-
--error:
-+out:
- mutex_unlock(&sl->master->bus_mutex);
-- dev_dbg(&sl->dev, "mutex unlocked in error, retries:%d", retries);
-- return -EIO;
-+ dev_dbg(&sl->dev, "%s, mutex unlocked, retries: %d\n",
-+ (bytes_written > 0) ? "succeeded" : "error", retries);
-+ return bytes_written;
- }
-
- static BIN_ATTR(output, S_IRUGO | S_IWUSR | S_IWGRP, NULL, output_write, 1);