| Message ID | 20211226153624.162281-16-marcan@marcan.st (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | brcmfmac: Support Apple T2 and M1 platforms | expand |
On Mon, Dec 27, 2021 at 12:36:05AM +0900, Hector Martin wrote: > The Wi-Fi module in Apple machines has a "module-instance" device > property that specifies the platform type and is used for firmware > selection. Its value is a string, so add support for string values in > acpi_extract_apple_properties(). > > Signed-off-by: Hector Martin <marcan@marcan.st> Reviewed-by: Lukas Wunner <lukas@wunner.de>
On Sun, Dec 26, 2021 at 4:38 PM Hector Martin <marcan@marcan.st> wrote: > The Wi-Fi module in Apple machines has a "module-instance" device > property that specifies the platform type and is used for firmware > selection. Its value is a string, so add support for string values in > acpi_extract_apple_properties(). > > Signed-off-by: Hector Martin <marcan@marcan.st> Acked-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/drivers/acpi/x86/apple.c b/drivers/acpi/x86/apple.c index c285c91a5e9c..71b8f103ab0f 100644 --- a/drivers/acpi/x86/apple.c +++ b/drivers/acpi/x86/apple.c @@ -70,13 +70,16 @@ void acpi_extract_apple_properties(struct acpi_device *adev) if ( key->type != ACPI_TYPE_STRING || (val->type != ACPI_TYPE_INTEGER && - val->type != ACPI_TYPE_BUFFER)) + val->type != ACPI_TYPE_BUFFER && + val->type != ACPI_TYPE_STRING)) continue; /* skip invalid properties */ __set_bit(i, valid); newsize += key->string.length + 1; if ( val->type == ACPI_TYPE_BUFFER) newsize += val->buffer.length; + else if (val->type == ACPI_TYPE_STRING) + newsize += val->string.length + 1; } numvalid = bitmap_weight(valid, numprops); @@ -118,6 +121,12 @@ void acpi_extract_apple_properties(struct acpi_device *adev) newprops[v].type = val->type; if (val->type == ACPI_TYPE_INTEGER) { newprops[v].integer.value = val->integer.value; + } else if (val->type == ACPI_TYPE_STRING) { + newprops[v].string.length = val->string.length; + newprops[v].string.pointer = free_space; + memcpy(free_space, val->string.pointer, + val->string.length); + free_space += val->string.length + 1; } else { newprops[v].buffer.length = val->buffer.length; newprops[v].buffer.pointer = free_space;
The Wi-Fi module in Apple machines has a "module-instance" device property that specifies the platform type and is used for firmware selection. Its value is a string, so add support for string values in acpi_extract_apple_properties(). Signed-off-by: Hector Martin <marcan@marcan.st> --- drivers/acpi/x86/apple.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)