[PATCH v1 15/17] thunderbolt: retimer: Change nvmem reg_read/write return type
From: Joy Chakraborty <hidden>
Date: 2024-06-05 18:03:06
Also in:
linux-amlogic, linux-gpio, linux-hwmon, linux-i2c, linux-iio, linux-media, linux-rtc, linux-sunxi, linux-tegra, linux-usb, lkml
Subsystem:
the rest, thunderbolt driver · Maintainers:
Linus Torvalds, Andreas Noever, Mika Westerberg, Yehezkel Bernat
Change nvmem read/write function definition return type to ssize_t. Signed-off-by: Joy Chakraborty <redacted> --- drivers/thunderbolt/retimer.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c
index 6eaaa5074ce8..fa52ea11ec28 100644
--- a/drivers/thunderbolt/retimer.c
+++ b/drivers/thunderbolt/retimer.c@@ -32,7 +32,7 @@ int tb_retimer_nvm_read(struct tb_retimer *rt, unsigned int address, void *buf, return usb4_port_retimer_nvm_read(rt->port, rt->index, address, buf, size); } -static int nvm_read(void *priv, unsigned int offset, void *val, size_t bytes) +static ssize_t nvm_read(void *priv, unsigned int offset, void *val, size_t bytes) { struct tb_nvm *nvm = priv; struct tb_retimer *rt = tb_to_retimer(nvm->dev);
@@ -52,10 +52,10 @@ static int nvm_read(void *priv, unsigned int offset, void *val, size_t bytes) pm_runtime_mark_last_busy(&rt->dev); pm_runtime_put_autosuspend(&rt->dev); - return ret; + return ret < 0 ? ret : bytes; } -static int nvm_write(void *priv, unsigned int offset, void *val, size_t bytes) +static ssize_t nvm_write(void *priv, unsigned int offset, void *val, size_t bytes) { struct tb_nvm *nvm = priv; struct tb_retimer *rt = tb_to_retimer(nvm->dev);
@@ -67,7 +67,7 @@ static int nvm_write(void *priv, unsigned int offset, void *val, size_t bytes) ret = tb_nvm_write_buf(nvm, offset, val, bytes); mutex_unlock(&rt->tb->lock); - return ret; + return ret < 0 ? ret : bytes; } static int tb_retimer_nvm_add(struct tb_retimer *rt)
--
2.45.1.467.gbab1589fc0-goog
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