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OpenCloudOS-Kernel
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Merge remote-tracking branch 'spi/for-5.12' into spi-linus

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Mark Brown 2021-06-25 14:08:23 +01:00
parent 13311e7425 f60d7270c8
commit 04045c479a
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1 changed files with 5 additions and 3 deletions
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8
drivers/spi/spi.c
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@ -2057,6 +2057,7 @@ of_register_spi_device(struct spi_controller *ctlr, struct device_node *nc)
/* Store a pointer to the node in the device structure */
of_node_get(nc);
spi->dev.of_node = nc;
spi->dev.fwnode = of_fwnode_handle(nc);
/* Register the new device */
rc = spi_add_device(spi);
@ -2621,9 +2622,10 @@ static int spi_get_gpio_descs(struct spi_controller *ctlr)
native_cs_mask |= BIT(i);
}
ctlr->unused_native_cs = ffz(native_cs_mask);
if (num_cs_gpios && ctlr->max_native_cs &&
ctlr->unused_native_cs >= ctlr->max_native_cs) {
ctlr->unused_native_cs = ffs(~native_cs_mask) - 1;
if ((ctlr->flags & SPI_MASTER_GPIO_SS) && num_cs_gpios &&
ctlr->max_native_cs && ctlr->unused_native_cs >= ctlr->max_native_cs) {
dev_err(dev, "No unused native chip select available\n");
return -EINVAL;
}