From: Wolfram Sang <wsa@kernel.org>
To: linux-i2c@vger.kernel.org
Cc: Wolfram Sang <wsa@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH RFT 2/2] i2c: tegra-bpmp: make some functions void
Date: Wed, 31 Mar 2021 09:51:41 +0200 [thread overview]
Message-ID: <20210331075141.22227-3-wsa@kernel.org> (raw)
In-Reply-To: <20210331075141.22227-1-wsa@kernel.org>
They return 0 always, so save some lines and code.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
---
drivers/i2c/busses/i2c-tegra-bpmp.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)
diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c b/drivers/i2c/busses/i2c-tegra-bpmp.c
index 295286ad6d6c..3680d608698b 100644
--- a/drivers/i2c/busses/i2c-tegra-bpmp.c
+++ b/drivers/i2c/busses/i2c-tegra-bpmp.c
@@ -38,7 +38,7 @@ struct tegra_bpmp_i2c {
* firmware I2C driver to avoid any issues in future if Linux I2C flags are
* changed.
*/
-static int tegra_bpmp_xlate_flags(u16 flags, u16 *out)
+static void tegra_bpmp_xlate_flags(u16 flags, u16 *out)
{
if (flags & I2C_M_TEN)
*out |= SERIALI2C_TEN;
@@ -63,8 +63,6 @@ static int tegra_bpmp_xlate_flags(u16 flags, u16 *out)
if (flags & I2C_M_RECV_LEN)
*out |= SERIALI2C_RECV_LEN;
-
- return 0;
}
/**
@@ -81,22 +79,19 @@ static int tegra_bpmp_xlate_flags(u16 flags, u16 *out)
*
* See deserialize_i2c documentation for the data format in the other direction.
*/
-static int tegra_bpmp_serialize_i2c_msg(struct tegra_bpmp_i2c *i2c,
+static void tegra_bpmp_serialize_i2c_msg(struct tegra_bpmp_i2c *i2c,
struct mrq_i2c_request *request,
struct i2c_msg *msgs,
unsigned int num)
{
char *buf = request->xfer.data_buf;
unsigned int i, j, pos = 0;
- int err;
for (i = 0; i < num; i++) {
struct i2c_msg *msg = &msgs[i];
u16 flags = 0;
- err = tegra_bpmp_xlate_flags(msg->flags, &flags);
- if (err < 0)
- return err;
+ tegra_bpmp_xlate_flags(msg->flags, &flags);
buf[pos++] = msg->addr & 0xff;
buf[pos++] = (msg->addr & 0xff00) >> 8;
@@ -112,8 +107,6 @@ static int tegra_bpmp_serialize_i2c_msg(struct tegra_bpmp_i2c *i2c,
}
request->xfer.data_size = pos;
-
- return 0;
}
/**
@@ -247,12 +240,7 @@ static int tegra_bpmp_i2c_xfer_common(struct i2c_adapter *adapter,
memset(&request, 0, sizeof(request));
memset(&response, 0, sizeof(response));
- err = tegra_bpmp_serialize_i2c_msg(i2c, &request, msgs, num);
- if (err < 0) {
- dev_err(i2c->dev, "failed to serialize message: %d\n", err);
- return err;
- }
-
+ tegra_bpmp_serialize_i2c_msg(i2c, &request, msgs, num);
err = tegra_bpmp_i2c_msg_xfer(i2c, &request, &response, atomic);
if (err < 0) {
dev_err(i2c->dev, "failed to transfer message: %d\n", err);
--
2.30.0
next prev parent reply other threads:[~2021-03-31 7:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 7:51 [PATCH RFT 0/2] i2c: tegra-bpmp: cleanups Wolfram Sang
2021-03-31 7:51 ` [PATCH RFT 1/2] i2c: tegra-bpmp: don't modify input variable in xlate_flags Wolfram Sang
2021-04-01 11:10 ` Thierry Reding
2021-04-01 13:23 ` Thierry Reding
2021-04-05 21:02 ` Wolfram Sang
2021-03-31 7:51 ` Wolfram Sang [this message]
2021-04-01 11:11 ` [PATCH RFT 2/2] i2c: tegra-bpmp: make some functions void Thierry Reding
2021-04-01 13:23 ` Thierry Reding
2021-04-05 21:03 ` Wolfram Sang
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