linux-kernel - [PATCH v1 3/3] spi: xilinx: Make num_chipselect 8-bit in the struct xspi_platform

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Date: Thu,  7 Mar 2024 17:43:59 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-spi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Mark Brown <broonie@...nel.org>,
	Michal Simek <michal.simek@....com>
Subject: [PATCH v1 3/3] spi: xilinx: Make num_chipselect 8-bit in the struct xspi_platform_data

There is no use for whole 16-bit for the number of chip select pins.
Drop it to 8 bits and reshuffle the data structure layout to avoid
unnecessary paddings.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/spi/xilinx_spi.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/linux/spi/xilinx_spi.h b/include/linux/spi/xilinx_spi.h
index 4ba8f53ce570..a638ba2a55bd 100644
--- a/include/linux/spi/xilinx_spi.h
+++ b/include/linux/spi/xilinx_spi.h
@@ -8,18 +8,18 @@ struct spi_board_info;
 
 /**
  * struct xspi_platform_data - Platform data of the Xilinx SPI driver
+ * @force_irq:		If set, forces QSPI transaction requirements.
  * @num_chipselect:	Number of chip select by the IP.
  * @bits_per_word:	Number of bits per word.
- * @devices:		Devices to add when the driver is probed.
  * @num_devices:	Number of devices in the devices array.
- * @force_irq:		If set, forces QSPI transaction requirements.
+ * @devices:		Devices to add when the driver is probed.
  */
 struct xspi_platform_data {
-	u16 num_chipselect;
-	u8 bits_per_word;
-	struct spi_board_info *devices;
-	u8 num_devices;
 	bool force_irq;
+	u8 num_chipselect;
+	u8 bits_per_word;
+	u8 num_devices;
+	struct spi_board_info *devices;
 };
 
 #endif /* __LINUX_SPI_XILINX_SPI_H */
-- 
2.43.0.rc1.1.gbec44491f096