linux-kernel - [PATCH v2 10/15] spi: Use predefined constants from bits.h and units.h

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Message-Id: <20230710154932.68377-11-andriy.shevchenko@linux.intel.com>
Date:   Mon, 10 Jul 2023 18:49:27 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>,
        Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Amit Kumar Mahapatra via Alsa-devel 
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        Tharun Kumar P <tharunkumar.pasumarthi@...rochip.com>,
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        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
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Subject: [PATCH v2 10/15] spi: Use predefined constants from bits.h and units.h

Instead of hard coded numbers, use predefined constancts,
such as BITS_PER_BYTE.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/spi/spi.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 9fb8efb068c6..10265184ea02 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -25,6 +25,7 @@
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/u64_stats_sync.h>
+#include <linux/units.h>
 
 #include <asm/byteorder.h>
 
@@ -1294,9 +1295,9 @@ static inline bool spi_is_bpw_supported(struct spi_device *spi, u32 bpw)
 static inline unsigned int spi_controller_xfer_timeout(struct spi_controller *ctlr,
 						       struct spi_transfer *xfer)
 {
-	u32 speed_hz = xfer->speed_hz ?: 100000;
+	u32 speed_hz = xfer->speed_hz ?: 100 * HZ_PER_KHZ;
 
-	return max(xfer->len * 8 * 2 / (speed_hz / 1000), 500U);
+	return max(xfer->len * BITS_PER_BYTE * 2 / (speed_hz / MILLI), 500UL);
 }
 
 /*---------------------------------------------------------------------------*/
-- 
2.40.0.1.gaa8946217a0b