Re: [PATCH v2 3/3] spi: xilinx: Make num_chipselect 8-bit in the struct xspi_platform_data

From: Michal Simek
Date: Tue Mar 12 2024 - 10:19:48 EST




On 3/8/24 17:27, Andy Shevchenko wrote:
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@xxxxxxxxxxxxxxx>
---
include/linux/spi/xilinx_spi.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/spi/xilinx_spi.h b/include/linux/spi/xilinx_spi.h
index 4ba8f53ce570..1b8d984668b6 100644
--- a/include/linux/spi/xilinx_spi.h
+++ b/include/linux/spi/xilinx_spi.h
@@ -8,17 +8,17 @@ struct spi_board_info;
/**
* struct xspi_platform_data - Platform data of the Xilinx SPI driver
- * @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.
+ * @num_chipselect: Number of chip select by the IP.
+ * @bits_per_word: Number of bits per word.
* @force_irq: If set, forces QSPI transaction requirements.
*/
struct xspi_platform_data {
- u16 num_chipselect;
- u8 bits_per_word;
struct spi_board_info *devices;
u8 num_devices;
+ u8 num_chipselect;
+ u8 bits_per_word;
bool force_irq;
};


Reviewed-by: Michal Simek <michal.simek@xxxxxxx>

Thanks,
Michal