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Diffstat (limited to 'drivers/fpga/altera-ps-spi.c')
-rw-r--r--drivers/fpga/altera-ps-spi.c11
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 */