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SubjectRe: [PATCH v8 1/3] hwmon: (asus_wmi_ec_sensors) Support B550 Asus WMI.
On Mon, Oct 25, 2021 at 10:37:06PM +0300, Andy Shevchenko wrote:
> On Mon, Oct 25, 2021 at 10:20:17PM +0300, Andy Shevchenko wrote:
> > On Fri, Oct 22, 2021 at 11:00:29PM +0300, Denis Pauk wrote:

...

> > Below is a follow up, I have not compiled it.
> > Feel free to take fully or partially.

Okay, here a few additional fixes (make them symmetrical and hope that
it will compile now):

diff --git a/drivers/hwmon/asus_wmi_ec_sensors.c b/drivers/hwmon/asus_wmi_ec_sensors.c
index 870de5a7f20d..d39271b5e50c 100644
--- a/drivers/hwmon/asus_wmi_ec_sensors.c
+++ b/drivers/hwmon/asus_wmi_ec_sensors.c
@@ -261,10 +261,7 @@ static int asus_wmi_ec_fill_board_sensors(struct asus_wmi_ec_info *ec,
static int asus_wmi_ec_decode_reply_buffer(const u8 *in, u32 length, u8 *out)
{
char buffer[ASUSWMI_MAX_BUF_LEN * 2];
- u32 len;
-
- /* Minimum of size of response and size of ACPI result (in bytes) */
- len = min_t(u32, in[0], length - 2);
+ u32 len = min_t(u32, get_unaligned_le16(in), length - 2);

utf16s_to_utf8s((wchar_t *)(in + 2), len / 2, UTF16_LITTLE_ENDIAN, buffer, sizeof(buffer));

@@ -274,13 +271,13 @@ static int asus_wmi_ec_decode_reply_buffer(const u8 *in, u32 length, u8 *out)
static void asus_wmi_ec_encode_registers(const u8 *in, u32 length, char *out)
{
char buffer[ASUSWMI_MAX_BUF_LEN * 2];
- u16 len = nr_registers * 2;
-
- put_unaligned_le16(len * 2, out);
+ u32 len = length;

bin2hex(buffer, in, len);

utf8s_to_utf16s(buffer, len * 2, UTF16_LITTLE_ENDIAN, (wchar_t *)(out + 2), len);
+
+ put_unaligned_le16(len * 2, out);
}

static void asus_wmi_ec_make_block_read_query(struct asus_wmi_ec_info *ec)
@@ -298,7 +295,7 @@ static void asus_wmi_ec_make_block_read_query(struct asus_wmi_ec_info *ec)
}
}

- asus_wmi_ec_encode_registers(registers, ec->nr_registers, ec->read_arg);
+ asus_wmi_ec_encode_registers(registers, offset, ec->read_arg);
}

static int asus_wmi_ec_block_read(u32 method_id, char *query, u8 *out)
--
With Best Regards,
Andy Shevchenko


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