diff options
| author | Matthias Schiffer <matthias.schiffer@ew.tq-group.com> | 2021-07-16 12:00:53 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2021-08-16 14:50:12 +0200 |
| commit | 9a8c4bace04a61efbcce4bd44ffa8b86b03ffdfe (patch) | |
| tree | 6ef7949a886ec0daa04d24cf3a42cef691b40fe5 /drivers/mfd/tqmx86.c | |
| parent | mfd: tqmx86: Add support for TQ-Systems DMI IDs (diff) | |
| download | linux-9a8c4bace04a61efbcce4bd44ffa8b86b03ffdfe.tar.xz linux-9a8c4bace04a61efbcce4bd44ffa8b86b03ffdfe.zip | |
mfd: tqmx86: Assume 24MHz LPC clock for unknown boards
All future TQMx86 modules should use a 24MHz LPC clock. Warn about
unknown boards, but assume this is the case.
Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/tqmx86.c')
| -rw-r--r-- | drivers/mfd/tqmx86.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c index 58f35c8b5a45..7ae906ff8e35 100644 --- a/drivers/mfd/tqmx86.c +++ b/drivers/mfd/tqmx86.c @@ -147,7 +147,7 @@ static const char *tqmx86_board_id_to_name(u8 board_id) } } -static int tqmx86_board_id_to_clk_rate(u8 board_id) +static int tqmx86_board_id_to_clk_rate(struct device *dev, u8 board_id) { switch (board_id) { case TQMX86_REG_BOARD_ID_50UC: @@ -168,7 +168,9 @@ static int tqmx86_board_id_to_clk_rate(u8 board_id) case TQMX86_REG_BOARD_ID_E38C: return 33000; default: - return 0; + dev_warn(dev, "unknown board %d, assuming 24MHz LPC clock\n", + board_id); + return 24000; } } @@ -229,7 +231,7 @@ static int tqmx86_probe(struct platform_device *pdev) tqmx_gpio_resources[0].flags = 0; } - ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(board_id); + ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(dev, board_id); if (i2c_det == TQMX86_REG_I2C_DETECT_SOFT) { err = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE, |