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Commit 98cfd457 authored by Prerna Kalla's avatar Prerna Kalla Committed by Gerrit - the friendly Code Review server
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qseecom: Set max size for dma segment 



Set max size of dma segment to support requests of larger sizes.

Change-Id: I131a36bfc828d80c26bd5f463133edec6707c7fd
Signed-off-by: default avatarPrerna Kalla <prernak@codeaurora.org>
parent 0070b55b

drivers/misc/qseecom.c

+11 −0
Original line number Diff line number Diff line
@@ -9302,6 +9302,15 @@ static int qseecom_init_dev(struct platform_device *pdev) 
		goto exit_del_cdev;

	}



	if (!qseecom.dev->dma_parms) {

		qseecom.dev->dma_parms =

			kzalloc(sizeof(*qseecom.dev->dma_parms), GFP_KERNEL);

		if (!qseecom.dev->dma_parms) {

			rc = -ENOMEM;

			goto exit_del_cdev;

		}

	}

	dma_set_max_seg_size(qseecom.dev, DMA_BIT_MASK(32));

	return 0;



exit_del_cdev:
@@ -9318,6 +9327,8 @@ static int qseecom_init_dev(struct platform_device *pdev) 


static void qseecom_deinit_dev(void)

{

	kfree(qseecom.dev->dma_parms);

	qseecom.dev->dma_parms = NULL;

	cdev_del(&qseecom.cdev);

	device_destroy(qseecom.driver_class, qseecom.qseecom_device_no);

	class_destroy(qseecom.driver_class);