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usb: typec: tipd: add function to request firmware

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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>
This commit is contained in:
Javier Carrasco 2023-12-14 17:29:10 +01:00 committed by Greg Kroah-Hartman
parent d49f908220
commit 798531b85f
1 changed files with 26 additions and 9 deletions
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35
drivers/usb/typec/tipd/core.c
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@ -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) {