Thread (29 messages) 29 messages, 2 authors, 2019-08-13

[PATCH v6 09/14] crypto: caam - move cpu_to_caam_dma() selection to runtime

flat view
STALE2613d

From: Andrey Smirnov <hidden>
Date: 2019-07-17 15:25:50
Also in: lkml
Subsystem: crypto api, freescale caam (cryptographic acceleration and assurance module) driver, the rest · Maintainers: Herbert Xu, "David S. Miller", Horia Geantă, Pankaj Gupta, Gaurav Jain, Linus Torvalds

Revision v6 of 5 in this series.

Revisions (5)
  1. v4 [diff vs current]
  2. v5 [diff vs current]
  3. v6 current
  4. v7 [diff vs current]
  5. v8 [diff vs current]
Instead of selecting the implementation of
cpu_to_caam_dma()/caam_dma_to_cpu() at build time using the
preprocessor, convert the code to do that at run-time using IS_ENABLED
macro. This is needed to add support for i.MX8MQ. No functional change
intended.

Signed-off-by: Andrey Smirnov <redacted>
Cc: Chris Spencer <redacted>
Cc: Cory Tusar <redacted>
Cc: Chris Healy <redacted>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Horia Geantă <horia.geanta@nxp.com>
Cc: Aymen Sghaier <redacted>
Cc: Leonard Crestez <redacted>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/crypto/caam/regs.h | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h
index fb494d14f262..511e28ba740a 100644
--- a/drivers/crypto/caam/regs.h
+++ b/drivers/crypto/caam/regs.h
@@ -188,13 +188,21 @@ static inline u64 caam_dma64_to_cpu(u64 value)
 	return caam64_to_cpu(value);
 }
 
-#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
-#define cpu_to_caam_dma(value) cpu_to_caam_dma64(value)
-#define caam_dma_to_cpu(value) caam_dma64_to_cpu(value)
-#else
-#define cpu_to_caam_dma(value) cpu_to_caam32(value)
-#define caam_dma_to_cpu(value) caam32_to_cpu(value)
-#endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */
+static inline u64 cpu_to_caam_dma(u64 value)
+{
+	if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT))
+		return cpu_to_caam_dma64(value);
+	else
+		return cpu_to_caam32(value);
+}
+
+static inline u64 caam_dma_to_cpu(u64 value)
+{
+	if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT))
+		return caam_dma64_to_cpu(value);
+	else
+		return caam32_to_cpu(value);
+}
 
 /*
  * jr_outentry
-- 
2.21.0
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help