Merge topic branch 'security' into integration-linux-ux500

1 files changed, 45 insertions, 0 deletions

diff --git a/drivers/crypto/ux500/cryp/cryp_irq.c b/drivers/crypto/ux500/cryp/cryp_irq.c
new file mode 100644
index 00000000000..08d291cdbe6
--- /dev/null
+++ b/drivers/crypto/ux500/cryp/cryp_irq.c
@@ -0,0 +1,45 @@
+/**
+ * Copyright (C) ST-Ericsson SA 2010
+ * Author: Shujuan Chen <shujuan.chen@stericsson.com> for ST-Ericsson.
+ * Author: Jonas Linde <jonas.linde@stericsson.com> for ST-Ericsson.
+ * Author: Joakim Bech <joakim.xx.bech@stericsson.com> for ST-Ericsson.
+ * Author: Berne Hebark <berne.herbark@stericsson.com> for ST-Ericsson.
+ * Author: Niklas Hernaeus <niklas.hernaeus@stericsson.com> for ST-Ericsson.
+ * License terms: GNU General Public License (GPL) version 2.
+ */
+
+#include <linux/kernel.h>
+#include <linux/bitmap.h>
+#include <linux/device.h>
+
+#include "cryp.h"
+#include "cryp_p.h"
+#include "cryp_irq.h"
+#include "cryp_irqp.h"
+
+void cryp_enable_irq_src(struct cryp_device_data *device_data, u32 irq_src)
+{
+	u32 i;
+
+	dev_dbg(device_data->dev, "[%s]", __func__);
+
+	i = readl_relaxed(&device_data->base->imsc);
+	i = i | irq_src;
+	writel_relaxed(i, &device_data->base->imsc);
+}
+
+void cryp_disable_irq_src(struct cryp_device_data *device_data, u32 irq_src)
+{
+	u32 i;
+
+	dev_dbg(device_data->dev, "[%s]", __func__);
+
+	i = readl_relaxed(&device_data->base->imsc);
+	i = i & ~irq_src;
+	writel_relaxed(i, &device_data->base->imsc);
+}
+
+bool cryp_pending_irq_src(struct cryp_device_data *device_data, u32 irq_src)
+{
+	return (readl_relaxed(&device_data->base->mis) & irq_src) > 0;
+}