diff options
Diffstat (limited to 'drivers/spi/spi-dw-bt1.c')
| -rw-r--r-- | drivers/spi/spi-dw-bt1.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c index f382dfad7842..4aa8596fb1f2 100644 --- a/drivers/spi/spi-dw-bt1.c +++ b/drivers/spi/spi-dw-bt1.c @@ -217,7 +217,7 @@ static int dw_spi_bt1_sys_init(struct platform_device *pdev, if (mem) { dwsbt1->map = devm_ioremap_resource(&pdev->dev, mem); if (!IS_ERR(dwsbt1->map)) { - dwsbt1->map_len = (mem->end - mem->start + 1); + dwsbt1->map_len = resource_size(mem); dws->mem_ops.dirmap_create = dw_spi_bt1_dirmap_create; dws->mem_ops.dirmap_read = dw_spi_bt1_dirmap_read; } else { @@ -280,8 +280,10 @@ static int dw_spi_bt1_probe(struct platform_device *pdev) dws->bus_num = pdev->id; dws->reg_io_width = 4; dws->max_freq = clk_get_rate(dwsbt1->clk); - if (!dws->max_freq) + if (!dws->max_freq) { + ret = -EINVAL; goto err_disable_clk; + } init_func = device_get_match_data(&pdev->dev); ret = init_func(pdev, dwsbt1); |