From: Pierre-Louis Bossart Date: Tue, 2 Mar 2021 09:11:14 +0000 (+0800) Subject: soundwire: bus: use consistent tests for return values X-Git-Tag: accepted/tizen/unified/20230118.172025~7416^2~34^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a5759f193fa3dbc7c256dd8675e41e6ca4f6abf6;p=platform%2Fkernel%2Flinux-rpi.git soundwire: bus: use consistent tests for return values We use different styles to check the return values of IO related routines. The majority of the cases use 'if (ret < 0)', align the remaining cases for consistency. Signed-off-by: Pierre-Louis Bossart Reviewed-by: Guennadi Liakhovetski Reviewed-by: Kai Vehmanen Reviewed-by: Guennadi Liakhovetski Signed-off-by: Bard Liao Link: https://lore.kernel.org/r/20210302091122.13952-4-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul --- diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 1c01cc1..d39e5ba 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -44,13 +44,13 @@ int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, } ret = sdw_get_id(bus); - if (ret) { + if (ret < 0) { dev_err(parent, "Failed to get bus id\n"); return ret; } ret = sdw_master_device_add(bus, parent, fwnode); - if (ret) { + if (ret < 0) { dev_err(parent, "Failed to add master device at link %d\n", bus->link_id); return ret; @@ -121,7 +121,7 @@ int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent, else ret = -ENOTSUPP; /* No ACPI/DT so error out */ - if (ret) { + if (ret < 0) { dev_err(bus->dev, "Finding slaves failed:%d\n", ret); return ret; } @@ -422,7 +422,7 @@ sdw_bread_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr) ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num, SDW_MSG_FLAG_READ, &buf); - if (ret) + if (ret < 0) return ret; ret = sdw_transfer(bus, &msg); @@ -440,7 +440,7 @@ sdw_bwrite_no_pm(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 value) ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num, SDW_MSG_FLAG_WRITE, &value); - if (ret) + if (ret < 0) return ret; return sdw_transfer(bus, &msg); @@ -454,7 +454,7 @@ int sdw_bread_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr) ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num, SDW_MSG_FLAG_READ, &buf); - if (ret) + if (ret < 0) return ret; ret = sdw_transfer_unlocked(bus, &msg); @@ -472,7 +472,7 @@ int sdw_bwrite_no_pm_unlocked(struct sdw_bus *bus, u16 dev_num, u32 addr, u8 val ret = sdw_fill_msg(&msg, NULL, addr, 1, dev_num, SDW_MSG_FLAG_WRITE, &value); - if (ret) + if (ret < 0) return ret; return sdw_transfer_unlocked(bus, &msg); @@ -749,7 +749,7 @@ static int sdw_program_device_num(struct sdw_bus *bus) * dev_num */ ret = sdw_assign_device_num(slave); - if (ret) { + if (ret < 0) { dev_err(bus->dev, "Assign dev_num failed:%d\n", ret); @@ -886,7 +886,7 @@ static int sdw_slave_clk_stop_prepare(struct sdw_slave *slave, ret = sdw_write_no_pm(slave, SDW_SCP_SYSTEMCTRL, val); - if (ret != 0) + if (ret < 0) dev_err(&slave->dev, "Clock Stop prepare failed for slave: %d", ret); @@ -1748,7 +1748,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus, if (status[0] == SDW_SLAVE_ATTACHED) { dev_dbg(bus->dev, "Slave attached, programming device number\n"); ret = sdw_program_device_num(bus); - if (ret) + if (ret < 0) dev_err(bus->dev, "Slave attach failed: %d\n", ret); /* * programming a device number will have side effects, @@ -1782,7 +1782,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus, case SDW_SLAVE_ALERT: ret = sdw_handle_slave_alerts(slave); - if (ret) + if (ret < 0) dev_err(&slave->dev, "Slave %d alert handling failed: %d\n", i, ret); @@ -1801,7 +1801,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus, attached_initializing = true; ret = sdw_initialize_slave(slave); - if (ret) + if (ret < 0) dev_err(&slave->dev, "Slave %d initialization failed: %d\n", i, ret); @@ -1815,7 +1815,7 @@ int sdw_handle_slave_status(struct sdw_bus *bus, } ret = sdw_update_slave_status(slave, status[i]); - if (ret) + if (ret < 0) dev_err(&slave->dev, "Update Slave status failed:%d\n", ret); if (attached_initializing) {