Commit da7806f9 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'msm-mmc_sdcc' of git://codeaurora.org/quic/kernel/dwalker/linux-msm 

* 'msm-mmc_sdcc' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
  drivers: mmc: msm_sdcc: Add EMBEDDED_SDIO support
  mmc: msm_sdcc: Fix issue where clocks could be disabled mid transaction
  mmc: msm_sdcc: Fix the dma exec function to use the proper delays
  mmc: msm_sdcc: Don't set host->curr.mrq until after we're sure the busclk timer won't fire
  mmc: msm_sdcc: Enable busclk idle timer for power savings
  mmc: msm_sdcc: Don't disable interrupts while suspending
  mmc: msm_sdcc: Fix issue where we might not end a sucessfull request
  mmc: msm_sdcc: Featurize busclock power save and disable it by default
  mmc: msm_sdcc: Fix bug where busclk expiry timer was not properly disabled
  mmc: msm_sdcc: Reduce command timeouts and improve reliability.
  mmc: msm_sdcc: Schedule clock disable after probe
  mmc: msm_sdcc: Wrap readl/writel calls with appropriate clk delays
  mmc: msm_sdcc: Driver clocking/irq improvements
  msm: Add 'execute' datamover callback
  mmc: msm_sdcc: Snoop SDIO_CCCR_ABORT register
  mmc: msm_sdcc: Clean up clock management and add a 10us delay after enabling clocks
parents d515e86e 1cd22969

arch/arm/mach-msm/dma.c

+5 −0
Original line number Diff line number Diff line
@@ -69,6 +69,8 @@ void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd) 
			writel(DMOV_CONFIG_IRQ_EN, DMOV_CONFIG(id));

		}

#endif

		if (cmd->execute_func)

			cmd->execute_func(cmd);

		PRINT_IO("msm_dmov_enqueue_cmd(%d), start command, status %x\n", id, status);

		list_add_tail(&cmd->list, &active_commands[id]);

		if (!channel_active)
@@ -116,6 +118,7 @@ int msm_dmov_exec_cmd(unsigned id, unsigned int cmdptr) 


	cmd.dmov_cmd.cmdptr = cmdptr;

	cmd.dmov_cmd.complete_func = dmov_exec_cmdptr_complete_func;

	cmd.dmov_cmd.execute_func = NULL;

	cmd.id = id;

	init_completion(&cmd.complete);
@@ -221,6 +224,8 @@ static irqreturn_t msm_datamover_irq_handler(int irq, void *dev_id) 
				cmd = list_entry(ready_commands[id].next, typeof(*cmd), list);

				list_del(&cmd->list);

				list_add_tail(&cmd->list, &active_commands[id]);

				if (cmd->execute_func)

					cmd->execute_func(cmd);

				PRINT_FLOW("msm_datamover_irq_handler id %d, start command\n", id);

				writel(cmd->cmdptr, DMOV_CMD_PTR(id));

			}

arch/arm/mach-msm/include/mach/dma.h

+2 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ struct msm_dmov_cmd { 
	void (*complete_func)(struct msm_dmov_cmd *cmd,

			      unsigned int result,

			      struct msm_dmov_errdata *err);

	void (*execute_func)(struct msm_dmov_cmd *cmd);

	void *data;

};



void msm_dmov_enqueue_cmd(unsigned id, struct msm_dmov_cmd *cmd);

drivers/mmc/host/msm_sdcc.c

+287 −185

File changed.

Preview size limit exceeded, changes collapsed.

drivers/mmc/host/msm_sdcc.h

+14 −1
Original line number Diff line number Diff line
@@ -171,6 +171,7 @@ struct msmsdcc_dma_data { 
	int				channel;

	struct msmsdcc_host		*host;

	int				busy; /* Set if DM is busy */

	int				active;

};



struct msmsdcc_pio_data {
@@ -213,7 +214,7 @@ struct msmsdcc_host { 
	struct clk		*clk;		/* main MMC bus clock */

	struct clk		*pclk;		/* SDCC peripheral bus clock */

	unsigned int		clks_on;	/* set if clocks are enabled */

	struct timer_list	command_timer;

	struct timer_list	busclk_timer;



	unsigned int		eject;		/* eject state */
@@ -233,6 +234,18 @@ struct msmsdcc_host { 
	struct msmsdcc_pio_data	pio;

	int			cmdpoll;

	struct msmsdcc_stats	stats;



#ifdef CONFIG_MMC_MSM7X00A_RESUME_IN_WQ

	struct work_struct	resume_task;

#endif



	/* Command parameters */

	unsigned int		cmd_timeout;

	unsigned int		cmd_pio_irqmask;

	unsigned int		cmd_datactrl;

	struct mmc_command	*cmd_cmd;

	u32			cmd_c;



};



#endif

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