crypto: ux500/crypt: Mark expected switch fall-throughs
Mark switch cases where we are expecting to fall through. This patch fixes the following warning (Building: arm): drivers/crypto/ux500/cryp/cryp.c: In function ‘cryp_save_device_context’: drivers/crypto/ux500/cryp/cryp.c:316:16: warning: this statement may fall through [-Wimplicit-fallthrough=] ctx->key_4_r = readl_relaxed(&src_reg->key_4_r); drivers/crypto/ux500/cryp/cryp.c:318:2: note: here case CRYP_KEY_SIZE_192: ^~~~ drivers/crypto/ux500/cryp/cryp.c:320:16: warning: this statement may fall through [-Wimplicit-fallthrough=] ctx->key_3_r = readl_relaxed(&src_reg->key_3_r); drivers/crypto/ux500/cryp/cryp.c:322:2: note: here case CRYP_KEY_SIZE_128: ^~~~ drivers/crypto/ux500/cryp/cryp.c:324:16: warning: this statement may fall through [-Wimplicit-fallthrough=] ctx->key_2_r = readl_relaxed(&src_reg->key_2_r); drivers/crypto/ux500/cryp/cryp.c:326:2: note: here default: ^~~~~~~ In file included from ./include/linux/io.h:13:0, from drivers/crypto/ux500/cryp/cryp_p.h:14, from drivers/crypto/ux500/cryp/cryp.c:15: drivers/crypto/ux500/cryp/cryp.c: In function ‘cryp_restore_device_context’: ./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __raw_writel __raw_writel ^ ./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’ #define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) ^~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:363:3: note: in expansion of macro ‘writel_relaxed’ writel_relaxed(ctx->key_4_r, ®->key_4_r); ^~~~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:365:2: note: here case CRYP_KEY_SIZE_192: ^~~~ In file included from ./include/linux/io.h:13:0, from drivers/crypto/ux500/cryp/cryp_p.h:14, from drivers/crypto/ux500/cryp/cryp.c:15: ./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __raw_writel __raw_writel ^ ./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’ #define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) ^~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:367:3: note: in expansion of macro ‘writel_relaxed’ writel_relaxed(ctx->key_3_r, ®->key_3_r); ^~~~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:369:2: note: here case CRYP_KEY_SIZE_128: ^~~~ In file included from ./include/linux/io.h:13:0, from drivers/crypto/ux500/cryp/cryp_p.h:14, from drivers/crypto/ux500/cryp/cryp.c:15: ./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __raw_writel __raw_writel ^ ./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’ #define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) ^~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:371:3: note: in expansion of macro ‘writel_relaxed’ writel_relaxed(ctx->key_2_r, ®->key_2_r); ^~~~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:373:2: note: here default: ^~~~~~~ Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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@ -314,14 +314,17 @@ void cryp_save_device_context(struct cryp_device_data *device_data,
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case CRYP_KEY_SIZE_256:
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ctx->key_4_l = readl_relaxed(&src_reg->key_4_l);
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ctx->key_4_r = readl_relaxed(&src_reg->key_4_r);
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/* Fall through */
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case CRYP_KEY_SIZE_192:
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ctx->key_3_l = readl_relaxed(&src_reg->key_3_l);
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ctx->key_3_r = readl_relaxed(&src_reg->key_3_r);
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/* Fall through */
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case CRYP_KEY_SIZE_128:
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ctx->key_2_l = readl_relaxed(&src_reg->key_2_l);
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ctx->key_2_r = readl_relaxed(&src_reg->key_2_r);
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/* Fall through */
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default:
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ctx->key_1_l = readl_relaxed(&src_reg->key_1_l);
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@ -361,14 +364,17 @@ void cryp_restore_device_context(struct cryp_device_data *device_data,
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case CRYP_KEY_SIZE_256:
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writel_relaxed(ctx->key_4_l, ®->key_4_l);
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writel_relaxed(ctx->key_4_r, ®->key_4_r);
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/* Fall through */
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case CRYP_KEY_SIZE_192:
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writel_relaxed(ctx->key_3_l, ®->key_3_l);
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writel_relaxed(ctx->key_3_r, ®->key_3_r);
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/* Fall through */
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case CRYP_KEY_SIZE_128:
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writel_relaxed(ctx->key_2_l, ®->key_2_l);
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writel_relaxed(ctx->key_2_r, ®->key_2_r);
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/* Fall through */
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default:
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writel_relaxed(ctx->key_1_l, ®->key_1_l);
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