On 17/06/2021 02:14, Laurent Pinchart wrote: > Hi Jacopo, > > Thank you for the patch. > > This should be moved before 11/15 to avoid a bisection breakage (or > 11/15 should be fixed, and this patch updated accordingly). Good catch! Jacopo, I dropped the PR I made. It you just want to swap patch 11 and 12, then I can do that, if you want more extensive changes, then I need a v6. Let me know what you want. Hans > > On Wed, Jun 16, 2021 at 02:46:13PM +0200, Jacopo Mondi wrote: >> There's no reason to allocate dynamically the 'serializer' field in >> the driver structure. >> >> Embed the field and adjust all its users in the driver. >> >> Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> >> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx> >> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> >> --- >> drivers/media/i2c/rdacm20.c | 36 +++++++++++++++--------------------- >> 1 file changed, 15 insertions(+), 21 deletions(-) >> >> diff --git a/drivers/media/i2c/rdacm20.c b/drivers/media/i2c/rdacm20.c >> index 5e0314a2b1ca..029af8fd7485 100644 >> --- a/drivers/media/i2c/rdacm20.c >> +++ b/drivers/media/i2c/rdacm20.c >> @@ -312,7 +312,7 @@ static const struct ov10635_reg { >> >> struct rdacm20_device { >> struct device *dev; >> - struct max9271_device *serializer; >> + struct max9271_device serializer; >> struct i2c_client *sensor; >> struct v4l2_subdev sd; >> struct media_pad pad; >> @@ -399,7 +399,7 @@ static int rdacm20_s_stream(struct v4l2_subdev *sd, int enable) >> { >> struct rdacm20_device *dev = sd_to_rdacm20(sd); >> >> - return max9271_set_serial_link(dev->serializer, enable); >> + return max9271_set_serial_link(&dev->serializer, enable); >> } >> >> static int rdacm20_enum_mbus_code(struct v4l2_subdev *sd, >> @@ -455,10 +455,10 @@ static int rdacm20_initialize(struct rdacm20_device *dev) >> unsigned int retry = 3; >> int ret; >> >> - max9271_wake_up(dev->serializer); >> + max9271_wake_up(&dev->serializer); >> >> /* Serial link disabled during config as it needs a valid pixel clock. */ >> - ret = max9271_set_serial_link(dev->serializer, false); >> + ret = max9271_set_serial_link(&dev->serializer, false); >> if (ret) >> return ret; >> >> @@ -466,35 +466,35 @@ static int rdacm20_initialize(struct rdacm20_device *dev) >> * Ensure that we have a good link configuration before attempting to >> * identify the device. >> */ >> - max9271_configure_i2c(dev->serializer, MAX9271_I2CSLVSH_469NS_234NS | >> - MAX9271_I2CSLVTO_1024US | >> - MAX9271_I2CMSTBT_105KBPS); >> + max9271_configure_i2c(&dev->serializer, MAX9271_I2CSLVSH_469NS_234NS | >> + MAX9271_I2CSLVTO_1024US | >> + MAX9271_I2CMSTBT_105KBPS); >> >> - max9271_configure_gmsl_link(dev->serializer); >> + max9271_configure_gmsl_link(&dev->serializer); >> >> - ret = max9271_verify_id(dev->serializer); >> + ret = max9271_verify_id(&dev->serializer); >> if (ret < 0) >> return ret; >> >> - ret = max9271_set_address(dev->serializer, dev->addrs[0]); >> + ret = max9271_set_address(&dev->serializer, dev->addrs[0]); >> if (ret < 0) >> return ret; >> - dev->serializer->client->addr = dev->addrs[0]; >> + dev->serializer.client->addr = dev->addrs[0]; >> >> /* >> * Reset the sensor by cycling the OV10635 reset signal connected to the >> * MAX9271 GPIO1 and verify communication with the OV10635. >> */ >> - ret = max9271_enable_gpios(dev->serializer, MAX9271_GPIO1OUT); >> + ret = max9271_enable_gpios(&dev->serializer, MAX9271_GPIO1OUT); >> if (ret) >> return ret; >> >> - ret = max9271_clear_gpios(dev->serializer, MAX9271_GPIO1OUT); >> + ret = max9271_clear_gpios(&dev->serializer, MAX9271_GPIO1OUT); >> if (ret) >> return ret; >> usleep_range(10000, 15000); >> >> - ret = max9271_set_gpios(dev->serializer, MAX9271_GPIO1OUT); >> + ret = max9271_set_gpios(&dev->serializer, MAX9271_GPIO1OUT); >> if (ret) >> return ret; >> usleep_range(10000, 15000); >> @@ -564,13 +564,7 @@ static int rdacm20_probe(struct i2c_client *client) >> if (!dev) >> return -ENOMEM; >> dev->dev = &client->dev; >> - >> - dev->serializer = devm_kzalloc(&client->dev, sizeof(*dev->serializer), >> - GFP_KERNEL); >> - if (!dev->serializer) >> - return -ENOMEM; >> - >> - dev->serializer->client = client; >> + dev->serializer.client = client; >> >> ret = of_property_read_u32_array(client->dev.of_node, "reg", >> dev->addrs, 2); >