[MTD] support driver model updates

[firefly-linux-kernel-4.4.55.git] / drivers / mtd / onenand / omap2.c

diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index 96ecc1766fa80346ebf825b42ad8f5cff1cb13be..f2e9de1414dfcdb4002419c72b60bf1d1ce4927f 100644 (file)
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -294,6 +294,10 @@ static int omap3_onenand_read_bufferram(struct mtd_info *mtd, int area,
        if (bram_offset & 3 || (size_t)buf & 3 || count < 384)
                goto out_copy;
 
+       /* panic_write() may be in an interrupt context */
+       if (in_interrupt())
+               goto out_copy;
+
        if (buf >= high_memory) {
                struct page *p1;
 
@@ -629,7 +633,7 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
        }
 
        if (c->gpio_irq) {
-               if ((r = omap_request_gpio(c->gpio_irq)) < 0) {
+               if ((r = gpio_request(c->gpio_irq, "OneNAND irq")) < 0) {
                        dev_err(&pdev->dev,  "Failed to request GPIO%d for "
                                "OneNAND\n", c->gpio_irq);
                        goto err_iounmap;
@@ -672,6 +676,8 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
        c->mtd.priv = &c->onenand;
        c->mtd.owner = THIS_MODULE;
 
+       c->mtd.dev.parent = &pdev->dev;
+
        if (c->dma_channel >= 0) {
                struct onenand_chip *this = &c->onenand;
 
@@ -726,7 +732,7 @@ err_release_dma:
                free_irq(gpio_to_irq(c->gpio_irq), c);
 err_release_gpio:
        if (c->gpio_irq)
-               omap_free_gpio(c->gpio_irq);
+               gpio_free(c->gpio_irq);
 err_iounmap:
        iounmap(c->onenand.base);
 err_release_mem_region:
@@ -761,7 +767,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
        platform_set_drvdata(pdev, NULL);
        if (c->gpio_irq) {
                free_irq(gpio_to_irq(c->gpio_irq), c);
-               omap_free_gpio(c->gpio_irq);
+               gpio_free(c->gpio_irq);
        }
        iounmap(c->onenand.base);
        release_mem_region(c->phys_base, ONENAND_IO_SIZE);