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author | Siva Yerramreddy <yshivakrishna@gmail.com> | 2014-07-11 14:04:25 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-11 18:31:12 -0700 |
commit | a93a5244ed7bd3c5f7b51ccb08a14655820e38c3 (patch) | |
tree | 406592c575c8d4e767df755cd8820d2485a494dc /drivers/misc/mic/card/mic_device.h | |
parent | 9c3d37c7a1efcb1815ec5cb22f70ca98da24f6b1 (diff) | |
download | blackbird-op-linux-a93a5244ed7bd3c5f7b51ccb08a14655820e38c3.tar.gz blackbird-op-linux-a93a5244ed7bd3c5f7b51ccb08a14655820e38c3.zip |
misc: mic: add dma support in card driver
This patch adds a dma device on the mic virtual bus
Reviewed-by: Nikhil Rao <nikhil.rao@intel.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Siva Yerramreddy <yshivakrishna@gmail.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mic/card/mic_device.h')
-rw-r--r-- | drivers/misc/mic/card/mic_device.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/misc/mic/card/mic_device.h b/drivers/misc/mic/card/mic_device.h index e12a0c2ddb3d..844be8fc9b22 100644 --- a/drivers/misc/mic/card/mic_device.h +++ b/drivers/misc/mic/card/mic_device.h @@ -31,6 +31,7 @@ #include <linux/io.h> #include <linux/irqreturn.h> #include <linux/interrupt.h> +#include <linux/mic_bus.h> /** * struct mic_intr_info - Contains h/w specific interrupt sources info @@ -71,6 +72,7 @@ struct mic_device { * @hotplug_work: Hot plug work for adding/removing virtio devices. * @irq_info: The OS specific irq information * @intr_info: H/W specific interrupt information. + * @dma_mbdev: dma device on the MIC virtual bus. */ struct mic_driver { char name[20]; @@ -81,6 +83,7 @@ struct mic_driver { struct work_struct hotplug_work; struct mic_irq_info irq_info; struct mic_intr_info intr_info; + struct mbus_device *dma_mbdev; }; /** @@ -117,8 +120,9 @@ mic_mmio_write(struct mic_mw *mw, u32 val, u32 offset) int mic_driver_init(struct mic_driver *mdrv); void mic_driver_uninit(struct mic_driver *mdrv); int mic_next_card_db(void); -struct mic_irq *mic_request_card_irq(irq_handler_t handler, - irq_handler_t thread_fn, const char *name, void *data, int intr_src); +struct mic_irq * +mic_request_card_irq(irq_handler_t handler, irq_handler_t thread_fn, + const char *name, void *data, int intr_src); void mic_free_card_irq(struct mic_irq *cookie, void *data); u32 mic_read_spad(struct mic_device *mdev, unsigned int idx); void mic_send_intr(struct mic_device *mdev, int doorbell); |