Crypto: CESA: Add support for DT based instantiation.
Based on work by Michael Walle and Jason Cooper.
Added support for getting the interrupt number and address of SRAM
from DT.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Conflicts:
arch/arm/mach-kirkwood/board-dt.c
diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c
index 21c1a87..24ccae4 100644
--- a/drivers/crypto/mv_cesa.c
+++ b/drivers/crypto/mv_cesa.c
@@ -19,6 +19,9 @@
#include <linux/clk.h>
#include <crypto/internal/hash.h>
#include <crypto/sha.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/of_irq.h>
#include "mv_cesa.h"
@@ -1062,7 +1065,10 @@
goto err_unmap_reg;
}
- irq = platform_get_irq(pdev, 0);
+ if (pdev->dev.of_node)
+ irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+ else
+ irq = platform_get_irq(pdev, 0);
if (irq < 0 || irq == NO_IRQ) {
ret = irq;
goto err_unmap_sram;
@@ -1170,12 +1176,19 @@
return 0;
}
+static const struct of_device_id mv_cesa_of_match_table[] = {
+ { .compatible = "marvell,orion-crypto", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, mv_cesa_of_match_table);
+
static struct platform_driver marvell_crypto = {
.probe = mv_probe,
- .remove = mv_remove,
+ .remove = __devexit_p(mv_remove),
.driver = {
.owner = THIS_MODULE,
.name = "mv_crypto",
+ .of_match_table = of_match_ptr(mv_cesa_of_match_table),
},
};
MODULE_ALIAS("platform:mv_crypto");