#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/clk.h>
#include <crypto/internal/hash.h>
#include <crypto/sha.h>
void __iomem *reg;
void __iomem *sram;
int irq;
+ struct clk *clk;
struct task_struct *queue_th;
/* the lock protects queue and eng_st */
if (ret)
goto err_thread;
+ /* Not all platforms can gate the clock, so it is not
+ an error if the clock does not exists. */
+ cp->clk = clk_get(&pdev->dev, NULL);
+ if (!IS_ERR(cp->clk))
+ clk_prepare_enable(cp->clk);
+
writel(SEC_INT_ACCEL0_DONE, cpg->reg + SEC_ACCEL_INT_MASK);
writel(SEC_CFG_STOP_DIG_ERR, cpg->reg + SEC_ACCEL_CFG);
writel(SRAM_CONFIG, cpg->reg + SEC_ACCEL_DESC_P0);
memset(cp->sram, 0, cp->sram_size);
iounmap(cp->sram);
iounmap(cp->reg);
+
+ if (!IS_ERR(cp->clk)) {
+ clk_disable_unprepare(cp->clk);
+ clk_put(cp->clk);
+ }
+
kfree(cp);
cpg = NULL;
return 0;