diff options
Diffstat (limited to 'drivers/fpga/altera-ps-spi.c')
-rw-r--r-- | drivers/fpga/altera-ps-spi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/fpga/altera-ps-spi.c b/drivers/fpga/altera-ps-spi.c index a13f224303c6..0221dee8dd4c 100644 --- a/drivers/fpga/altera-ps-spi.c +++ b/drivers/fpga/altera-ps-spi.c | |||
@@ -210,7 +210,7 @@ static int altera_ps_write_complete(struct fpga_manager *mgr, | |||
210 | return -EIO; | 210 | return -EIO; |
211 | } | 211 | } |
212 | 212 | ||
213 | if (!IS_ERR(conf->confd)) { | 213 | if (conf->confd) { |
214 | if (!gpiod_get_raw_value_cansleep(conf->confd)) { | 214 | if (!gpiod_get_raw_value_cansleep(conf->confd)) { |
215 | dev_err(&mgr->dev, "CONF_DONE is inactive!\n"); | 215 | dev_err(&mgr->dev, "CONF_DONE is inactive!\n"); |
216 | return -EIO; | 216 | return -EIO; |
@@ -289,10 +289,13 @@ static int altera_ps_probe(struct spi_device *spi) | |||
289 | return PTR_ERR(conf->status); | 289 | return PTR_ERR(conf->status); |
290 | } | 290 | } |
291 | 291 | ||
292 | conf->confd = devm_gpiod_get(&spi->dev, "confd", GPIOD_IN); | 292 | conf->confd = devm_gpiod_get_optional(&spi->dev, "confd", GPIOD_IN); |
293 | if (IS_ERR(conf->confd)) { | 293 | if (IS_ERR(conf->confd)) { |
294 | dev_warn(&spi->dev, "Not using confd gpio: %ld\n", | 294 | dev_err(&spi->dev, "Failed to get confd gpio: %ld\n", |
295 | PTR_ERR(conf->confd)); | 295 | PTR_ERR(conf->confd)); |
296 | return PTR_ERR(conf->confd); | ||
297 | } else if (!conf->confd) { | ||
298 | dev_warn(&spi->dev, "Not using confd gpio"); | ||
296 | } | 299 | } |
297 | 300 | ||
298 | /* Register manager with unique name */ | 301 | /* Register manager with unique name */ |