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authorBin Meng <bin.meng@windriver.com>2021-01-29 21:23:14 +0800
committerPeter Maydell <peter.maydell@linaro.org>2021-02-02 17:00:54 +0000
commit1da79ecc7a299a6f3633876c8e49e5418ae37fcf (patch)
treef6d59c2791a7087e770a016283f66cadfe08d1b3 /include
parentdcda883cd21125c699419a3fc0fe182ea989d9c4 (diff)
hw/ssi: imx_spi: Use a macro for number of chip selects supported
Avoid using a magic number (4) everywhere for the number of chip selects supported. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-id: 20210129132323.30946-2-bmeng.cn@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/hw/ssi/imx_spi.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/hw/ssi/imx_spi.h b/include/hw/ssi/imx_spi.h
index b82b17f364..eeaf49bbac 100644
--- a/include/hw/ssi/imx_spi.h
+++ b/include/hw/ssi/imx_spi.h
@@ -77,6 +77,9 @@
#define EXTRACT(value, name) extract32(value, name##_SHIFT, name##_LENGTH)
+/* number of chip selects supported */
+#define ECSPI_NUM_CS 4
+
#define TYPE_IMX_SPI "imx.spi"
OBJECT_DECLARE_SIMPLE_TYPE(IMXSPIState, IMX_SPI)
@@ -89,7 +92,7 @@ struct IMXSPIState {
qemu_irq irq;
- qemu_irq cs_lines[4];
+ qemu_irq cs_lines[ECSPI_NUM_CS];
SSIBus *bus;