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authorAndrew Lunn <andrew@lunn.ch>2012-09-03 20:29:34 +0200
committerJason Cooper <jason@lakedaemon.net>2012-09-22 14:40:00 +0000
commitf37fbd36c5f9fe716ddf783415a67de03fb0dc3d (patch)
treead911d76e1c4f3b66b7831b6beca4f3d4859be73 /drivers/crypto/mv_cesa.c
parent2eecb477765840c175133117010a789e58824680 (diff)
downloadop-kernel-dev-f37fbd36c5f9fe716ddf783415a67de03fb0dc3d.zip
op-kernel-dev-f37fbd36c5f9fe716ddf783415a67de03fb0dc3d.tar.gz
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
Diffstat (limited to 'drivers/crypto/mv_cesa.c')
-rw-r--r--drivers/crypto/mv_cesa.c17
1 files changed, 15 insertions, 2 deletions
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 @@ static int mv_probe(struct platform_device *pdev)
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 @@ static int mv_remove(struct platform_device *pdev)
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");
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