diff options
Diffstat (limited to 'drivers/crypto/atmel-sha.c')
| -rw-r--r-- | drivers/crypto/atmel-sha.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c index 6bef634d3c86..3622120add62 100644 --- a/drivers/crypto/atmel-sha.c +++ b/drivers/crypto/atmel-sha.c @@ -28,7 +28,7 @@ #include <linux/irq.h> #include <linux/scatterlist.h> #include <linux/dma-mapping.h> -#include <linux/of_device.h> +#include <linux/mod_devicetable.h> #include <linux/delay.h> #include <linux/crypto.h> #include <crypto/scatterwalk.h> @@ -1770,7 +1770,8 @@ static int atmel_sha_hmac_compute_ipad_hash(struct atmel_sha_dev *dd) size_t bs = ctx->block_size; size_t i, num_words = bs / sizeof(u32); - memcpy(hmac->opad, hmac->ipad, bs); + unsafe_memcpy(hmac->opad, hmac->ipad, bs, + "fortified memcpy causes -Wrestrict warning"); for (i = 0; i < num_words; ++i) { hmac->ipad[i] ^= 0x36363636; hmac->opad[i] ^= 0x5c5c5c5c; @@ -2499,8 +2500,8 @@ static int atmel_sha_dma_init(struct atmel_sha_dev *dd) { dd->dma_lch_in.chan = dma_request_chan(dd->dev, "tx"); if (IS_ERR(dd->dma_lch_in.chan)) { - dev_err(dd->dev, "DMA channel is not available\n"); - return PTR_ERR(dd->dma_lch_in.chan); + return dev_err_probe(dd->dev, PTR_ERR(dd->dma_lch_in.chan), + "DMA channel is not available\n"); } dd->dma_lch_in.dma_conf.dst_addr = dd->phys_base + @@ -2570,14 +2571,12 @@ static void atmel_sha_get_cap(struct atmel_sha_dev *dd) } } -#if defined(CONFIG_OF) static const struct of_device_id atmel_sha_dt_ids[] = { { .compatible = "atmel,at91sam9g46-sha" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, atmel_sha_dt_ids); -#endif static int atmel_sha_probe(struct platform_device *pdev) { @@ -2604,11 +2603,9 @@ static int atmel_sha_probe(struct platform_device *pdev) crypto_init_queue(&sha_dd->queue, ATMEL_SHA_QUEUE_LENGTH); - /* Get the base address */ - sha_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!sha_res) { - dev_err(dev, "no MEM resource info\n"); - err = -ENODEV; + sha_dd->io_base = devm_platform_get_and_ioremap_resource(pdev, 0, &sha_res); + if (IS_ERR(sha_dd->io_base)) { + err = PTR_ERR(sha_dd->io_base); goto err_tasklet_kill; } sha_dd->phys_base = sha_res->start; @@ -2635,13 +2632,6 @@ static int atmel_sha_probe(struct platform_device *pdev) goto err_tasklet_kill; } - sha_dd->io_base = devm_ioremap_resource(&pdev->dev, sha_res); - if (IS_ERR(sha_dd->io_base)) { - dev_err(dev, "can't ioremap\n"); - err = PTR_ERR(sha_dd->io_base); - goto err_tasklet_kill; - } - err = clk_prepare(sha_dd->iclk); if (err) goto err_tasklet_kill; @@ -2716,7 +2706,7 @@ static struct platform_driver atmel_sha_driver = { .remove = atmel_sha_remove, .driver = { .name = "atmel_sha", - .of_match_table = of_match_ptr(atmel_sha_dt_ids), + .of_match_table = atmel_sha_dt_ids, }, }; |