Merge "coresight: tmc: set buffer size to 32MB on SW USB mode" (81604f60) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/hwtracing/coresight/coresight-tmc-etr.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -45,6 +45,9 @@ struct etr_perf_buffer {
		/* Lower limit for ETR hardware buffer */
		#define TMC_ETR_PERF_MIN_BUF_SIZE SZ_1M

		/* SW USB reserved memory size */
		#define TMC_ETR_SW_USB_BUF_SIZE SZ_32M

		/*
		* The TMC ETR SG has a page size of 4K. The SG table contains pointers
		* to 4KB buffers. However, the OS may use a PAGE_SIZE different from
		@@ -1082,6 +1085,10 @@ ssize_t tmc_etr_get_sysfs_trace(struct tmc_drvdata *drvdata,
		static struct etr_buf *
		tmc_etr_setup_sysfs_buf(struct tmc_drvdata *drvdata)
		{
		if (drvdata->byte_cntr->sw_usb)
		return tmc_alloc_etr_buf(drvdata, TMC_ETR_SW_USB_BUF_SIZE,
		0, cpu_to_node(0), NULL);
		else
		return tmc_alloc_etr_buf(drvdata, drvdata->size,
		0, cpu_to_node(0), NULL);
		}