From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/4] asm: dma-mapping.h: Fix dma mapping functions
Date: Wed, 15 Jan 2020 15:47:58 -0500 [thread overview]
Message-ID: <20200115204758.GS8732@bill-the-cat> (raw)
In-Reply-To: <20191115115505.893-2-vigneshr@ti.com>
On Fri, Nov 15, 2019 at 05:25:02PM +0530, Vignesh Raghavendra wrote:
> Subsystems such as USB expect dma_map_single() and dma_unmap_single() to
> do dcache flush/invalidate operations as required. For example, see
> drivers/usb/gadget/udc/udc-core.c::usb_gadget_map_request().
> Currently drivers do this locally, (see drivers/usb/dwc3/ep0.c,
> drivers/mtd/nand/raw/denali.c etc..)
> Update arch specific dma_map_single() and dma_unmap_single() APIs to do
> cache flush/invalidate operations, so that drivers need not implement
> them locally.
>
> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> Reviewed-by: Rick Chen <rick@andestech.com>
> ---
> arch/arm/include/asm/dma-mapping.h | 22 ++++++++++++++++++++--
> arch/nds32/include/asm/dma-mapping.h | 22 ++++++++++++++++++++--
> arch/riscv/include/asm/dma-mapping.h | 22 ++++++++++++++++++++--
> arch/x86/include/asm/dma-mapping.h | 22 ++++++++++++++++++++--
> 4 files changed, 80 insertions(+), 8 deletions(-)
This throws warnings on am335x_evm, please re-check and resubmit,
thanks.
--
Tom
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next prev parent reply other threads:[~2020-01-15 20:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-15 11:55 [U-Boot] [PATCH 0/4] dma-mapping: Add cache flush/invalidation to dma_{un}map_single Vignesh Raghavendra
2019-11-15 11:55 ` [U-Boot] [PATCH 1/4] asm: dma-mapping.h: Fix dma mapping functions Vignesh Raghavendra
2019-11-15 12:19 ` Masahiro Yamada
[not found] ` <752D002CFF5D0F4FA35C0100F1D73F3FA469DB69@ATCPCS16.andestech.com>
2019-11-19 0:51 ` Rick Chen
2020-01-15 20:47 ` Tom Rini [this message]
2020-01-16 8:56 ` Vignesh Raghavendra
2019-11-15 11:55 ` [U-Boot] [PATCH 2/4] mmc: tmio-common: Drop custom " Vignesh Raghavendra
2019-11-15 12:18 ` Masahiro Yamada
2019-11-15 11:55 ` [U-Boot] [PATCH 3/4] mtd: denali: " Vignesh Raghavendra
2019-11-15 12:18 ` Masahiro Yamada
2019-11-15 11:55 ` [U-Boot] [PATCH 4/4] net: macb: Drop local cache flush Vignesh Raghavendra
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