On Monday 23 July 2007, llandre wrote:
> The probe function is not invoked because the controller does not allow
> to reach the max_speed_hz.
> I did not realize this before because, even if the debug messages were
> enabled, I did not see any warning message about this.
I want to be sure I understand this correctly. You're saying that
the call to spi_setup() inside of spi_new_device() failed silently?
And thus the scan_boardinfo() failed?
If so, I'm thinking the following patch would help ... right?
--- g26.orig/drivers/spi/spi.c 2007-07-24 06:27:04.000000000 -0700
+++ g26/drivers/spi/spi.c 2007-07-24 06:26:39.000000000 -0700
@@ -325,9 +325,17 @@ static void scan_boardinfo(struct spi_ma
unsigned n;
for (n = bi->n_board_info; n > 0; n--, chip++) {
+ int status;
+
if (chip->bus_num != master->bus_num)
continue;
- (void) spi_new_device(master, chip);
+ status = spi_new_device(master, chip);
+ if (status < 0)
+ dev_err(master->cdev.dev,
+ "can't create spi_device, err %d; "
+ "chipselect %d, modalias %s\n",
+ status, chip->chip_select,
+ chip->modalias);
}
}
mutex_unlock(&board_lock);
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