diff options
Diffstat (limited to 'drivers/spi')
-rw-r--r-- | drivers/spi/spi_bfin5xx.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 6a02bd3ef9fd..d6e9812538c4 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c | |||
@@ -80,6 +80,9 @@ struct driver_data { | |||
80 | /* Regs base of SPI controller */ | 80 | /* Regs base of SPI controller */ |
81 | void __iomem *regs_base; | 81 | void __iomem *regs_base; |
82 | 82 | ||
83 | /* Pin request list */ | ||
84 | u16 *pin_req; | ||
85 | |||
83 | /* BFIN hookup */ | 86 | /* BFIN hookup */ |
84 | struct bfin5xx_spi_master *master_info; | 87 | struct bfin5xx_spi_master *master_info; |
85 | 88 | ||
@@ -1255,25 +1258,6 @@ static inline int destroy_queue(struct driver_data *drv_data) | |||
1255 | return 0; | 1258 | return 0; |
1256 | } | 1259 | } |
1257 | 1260 | ||
1258 | static int setup_pin_mux(int action, int bus_num) | ||
1259 | { | ||
1260 | |||
1261 | u16 pin_req[3][4] = { | ||
1262 | {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, | ||
1263 | {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0}, | ||
1264 | {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0}, | ||
1265 | }; | ||
1266 | |||
1267 | if (action) { | ||
1268 | if (peripheral_request_list(pin_req[bus_num], DRV_NAME)) | ||
1269 | return -EFAULT; | ||
1270 | } else { | ||
1271 | peripheral_free_list(pin_req[bus_num]); | ||
1272 | } | ||
1273 | |||
1274 | return 0; | ||
1275 | } | ||
1276 | |||
1277 | static int __init bfin5xx_spi_probe(struct platform_device *pdev) | 1261 | static int __init bfin5xx_spi_probe(struct platform_device *pdev) |
1278 | { | 1262 | { |
1279 | struct device *dev = &pdev->dev; | 1263 | struct device *dev = &pdev->dev; |
@@ -1296,6 +1280,7 @@ static int __init bfin5xx_spi_probe(struct platform_device *pdev) | |||
1296 | drv_data->master = master; | 1280 | drv_data->master = master; |
1297 | drv_data->master_info = platform_info; | 1281 | drv_data->master_info = platform_info; |
1298 | drv_data->pdev = pdev; | 1282 | drv_data->pdev = pdev; |
1283 | drv_data->pin_req = platform_info->pin_req; | ||
1299 | 1284 | ||
1300 | master->bus_num = pdev->id; | 1285 | master->bus_num = pdev->id; |
1301 | master->num_chipselect = platform_info->num_chipselect; | 1286 | master->num_chipselect = platform_info->num_chipselect; |
@@ -1346,7 +1331,8 @@ static int __init bfin5xx_spi_probe(struct platform_device *pdev) | |||
1346 | goto out_error_queue_alloc; | 1331 | goto out_error_queue_alloc; |
1347 | } | 1332 | } |
1348 | 1333 | ||
1349 | if (setup_pin_mux(1, master->bus_num)) { | 1334 | status = peripheral_request_list(drv_data->pin_req, DRV_NAME); |
1335 | if (status != 0) { | ||
1350 | dev_err(&pdev->dev, ": Requesting Peripherals failed\n"); | 1336 | dev_err(&pdev->dev, ": Requesting Peripherals failed\n"); |
1351 | goto out_error; | 1337 | goto out_error; |
1352 | } | 1338 | } |
@@ -1394,7 +1380,7 @@ static int __devexit bfin5xx_spi_remove(struct platform_device *pdev) | |||
1394 | /* Disconnect from the SPI framework */ | 1380 | /* Disconnect from the SPI framework */ |
1395 | spi_unregister_master(drv_data->master); | 1381 | spi_unregister_master(drv_data->master); |
1396 | 1382 | ||
1397 | setup_pin_mux(0, drv_data->master->bus_num); | 1383 | peripheral_free_list(drv_data->pin_req); |
1398 | 1384 | ||
1399 | /* Prevent double remove */ | 1385 | /* Prevent double remove */ |
1400 | platform_set_drvdata(pdev, NULL); | 1386 | platform_set_drvdata(pdev, NULL); |