spi: dw: remove unused dw_spi_chip handling (ae9e6ac4) · Commits · 戴 / test

drivers/spi/spi-dw.c

+0 −16

Original line number	Diff line number	Diff line
		@@ -399,7 +399,6 @@ static void dw_spi_handle_err(struct spi_controller *master,
		/* This may be called twice for each spi dev */
		static int dw_spi_setup(struct spi_device *spi)
		{
		struct dw_spi_chip *chip_info = NULL;
		struct chip_data *chip;

		/* Only alloc on first setup */
		@@ -411,21 +410,6 @@ static int dw_spi_setup(struct spi_device *spi)
		spi_set_ctldata(spi, chip);
		}

		/*
		* Protocol drivers may change the chip settings, so...
		* if chip_info exists, use it
		*/
		chip_info = spi->controller_data;

		/* chip_info doesn't always exist */
		if (chip_info) {
		if (chip_info->cs_control)
		chip->cs_control = chip_info->cs_control;

		chip->poll_mode = chip_info->poll_mode;
		chip->type = chip_info->type;
		}

		chip->tmode = SPI_TMOD_TR;

		return 0;

+0 −12

Original line number	Diff line number	Diff line
		@@ -235,18 +235,6 @@ static inline void spi_shutdown_chip(struct dw_spi *dws)
		spi_set_clk(dws, 0);
		}

		/*
		* Each SPI slave device to work with dw_api controller should
		* has such a structure claiming its working mode (poll or PIO/DMA),
		* which can be save in the "controller_data" member of the
		* struct spi_device.
		*/
		struct dw_spi_chip {
		u8 poll_mode; /* 1 for controller polling mode */
		u8 type; /* SPI/SSP/MicroWire */
		void (*cs_control)(u32 command);
		};

		extern void dw_spi_set_cs(struct spi_device *spi, bool enable);
		extern int dw_spi_add_host(struct device dev, struct dw_spi dws);
		extern void dw_spi_remove_host(struct dw_spi *dws);