Commit f1b19dff authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Herbert Xu
Browse files

crypto: ccree - remove struct cc_sram_ctx



The cc_sram_ctx structure contains only a single member, and only one
instance exists.  Simplify the code and reduce memory consumption by
moving this member to struct cc_drvdata.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f33d807c
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+1 −1
Original line number Diff line number Diff line
@@ -146,7 +146,7 @@ struct cc_drvdata {
	void *aead_handle;
	void *request_mgr_handle;
	void *fips_handle;
	void *sram_mgr_handle;
	u32 sram_free_offset;	/* offset to non-allocated area in SRAM */
	void *debugfs;
	struct clk *clk;
	bool coherent;
+5 −22
Original line number Diff line number Diff line
@@ -4,14 +4,6 @@
#include "cc_driver.h"
#include "cc_sram_mgr.h"

/**
 * struct cc_sram_ctx -Internal RAM context manager
 * @sram_free_offset:   the offset to the non-allocated area
 */
struct cc_sram_ctx {
	u32 sram_free_offset;
};

/**
 * cc_sram_mgr_init() - Initializes SRAM pool.
 *      The pool starts right at the beginning of SRAM.
@@ -21,7 +13,6 @@ struct cc_sram_ctx {
 */
int cc_sram_mgr_init(struct cc_drvdata *drvdata)
{
	struct cc_sram_ctx *ctx;
	u32 start = 0;
	struct device *dev = drvdata_to_dev(drvdata);

@@ -34,14 +25,7 @@ int cc_sram_mgr_init(struct cc_drvdata *drvdata)
		}
	}

	/* Allocate "this" context */
	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
	if (!ctx)
		return -ENOMEM;

	ctx->sram_free_offset = start;
	drvdata->sram_mgr_handle = ctx;

	drvdata->sram_free_offset = start;
	return 0;
}

@@ -53,7 +37,6 @@ int cc_sram_mgr_init(struct cc_drvdata *drvdata)
 */
u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size)
{
	struct cc_sram_ctx *smgr_ctx = drvdata->sram_mgr_handle;
	struct device *dev = drvdata_to_dev(drvdata);
	u32 p;

@@ -62,14 +45,14 @@ u32 cc_sram_alloc(struct cc_drvdata *drvdata, u32 size)
			size);
		return NULL_SRAM_ADDR;
	}
	if (size > (CC_CC_SRAM_SIZE - smgr_ctx->sram_free_offset)) {
	if (size > (CC_CC_SRAM_SIZE - drvdata->sram_free_offset)) {
		dev_err(dev, "Not enough space to allocate %u B (at offset %u)\n",
			size, smgr_ctx->sram_free_offset);
			size, drvdata->sram_free_offset);
		return NULL_SRAM_ADDR;
	}

	p = smgr_ctx->sram_free_offset;
	smgr_ctx->sram_free_offset += size;
	p = drvdata->sram_free_offset;
	drvdata->sram_free_offset += size;
	dev_dbg(dev, "Allocated %u B @ %u\n", size, p);
	return p;
}