diff options
| author | Javier Carrasco <javier.carrasco@wolfvision.net> | 2023-12-14 17:29:10 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-02 14:41:29 +0100 |
| commit | 798531b85f08c1dd128b88acd1f98c6a6b30dffd (patch) | |
| tree | b47cdac5d4956112e6233537e1156deb58847de0 /drivers/usb | |
| parent | d49f90822015ad9c8837717e6b5967c8748626df (diff) | |
usb: typec: tipd: add function to request firmware
The firmware request process is device agnostic and can be used for
other parts.
Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20231207-tps6598x_update-v2-2-f3cfcde6d890@wolfvision.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/typec/tipd/core.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index f0c4cd571a37..83e5eeecdf5c 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -873,6 +873,30 @@ tps6598x_register_port(struct tps6598x *tps, struct fwnode_handle *fwnode) return 0; } +static int tps_request_firmware(struct tps6598x *tps, const struct firmware **fw) +{ + const char *firmware_name; + int ret; + + ret = device_property_read_string(tps->dev, "firmware-name", + &firmware_name); + if (ret) + return ret; + + ret = request_firmware(fw, firmware_name, tps->dev); + if (ret) { + dev_err(tps->dev, "failed to retrieve \"%s\"\n", firmware_name); + return ret; + } + + if ((*fw)->size == 0) { + release_firmware(*fw); + ret = -EINVAL; + } + + return ret; +} + static int tps25750_write_firmware(struct tps6598x *tps, u8 bpms_addr, const u8 *data, size_t len) @@ -961,16 +985,9 @@ static int tps25750_start_patch_burst_mode(struct tps6598x *tps) if (ret) return ret; - ret = request_firmware(&fw, firmware_name, tps->dev); - if (ret) { - dev_err(tps->dev, "failed to retrieve \"%s\"\n", firmware_name); + ret = tps_request_firmware(tps, &fw); + if (ret) return ret; - } - - if (fw->size == 0) { - ret = -EINVAL; - goto release_fw; - } ret = of_property_match_string(np, "reg-names", "patch-address"); if (ret < 0) { |