From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH 1/2] mmc: uniphier-sd: fix DMA disabling Date: Mon, 15 Oct 2018 00:33:29 +0200 Message-ID: <20181014223329.GF3260@kunai> References: <1539356258-12374-1-git-send-email-yamada.masahiro@socionext.com> <1539356258-12374-2-git-send-email-yamada.masahiro@socionext.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="udcq9yAoWb9A4FsZ" Return-path: Content-Disposition: inline In-Reply-To: <1539356258-12374-2-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org To: Masahiro Yamada Cc: linux-mmc@vger.kernel.org, Ulf Hansson , Wolfram Sang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-mmc@vger.kernel.org --udcq9yAoWb9A4FsZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Oct 12, 2018 at 11:57:37PM +0900, Masahiro Yamada wrote: > Once DMA is enabled, it is not possible to disable it because > uniphier_sd_dma_endisable() always sets the DMA_ENABLE_DMASDRW bit > regardless of the argument 'enable'. It should disable DMA when > 'enable' is false. >=20 > Signed-off-by: Masahiro Yamada Acked-by: Wolfram Sang --udcq9yAoWb9A4FsZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlvDxDkACgkQFA3kzBSg KbbF8Q//egWXiLpPEMi7CydMxGxXSSOv4kYYnHrWPe+FW2b1LG4nTU36VQibTrub Hk+U7gng3Xu2+MBTpvu6I1WrJ/thmdazuqa8RAqxfpHA318suhBibpR8EUfdEea9 M8Z+l1povsbHqVAkXsTlshySgxzlfjbih/NCTmBzq5/ZbIDC24buacZIsl3YQMDW c05MLNRXJbHbKKJ1mOYJQfWV7aQCXwIlX2NQBN76w8xD1Y4MsMH64UD+asQNKC1h G0KdvMIDh0DZ7kDB90ZJgrukVZ1cfH5NaYkQABbWhUop9QAb2Ua5sxYaqZhOT3QT 6HbBidN1n+CvxGlKJIFRmwE5z7bLJnL+ZpIRGhjMDUoiAO+5zNRGV26j6tshsz9C KQ5r8i8fQYDPdpWZW2QBK6G3r3CnQLyF+Qid6I0RlvVHUdrQqZpRrfzFE9PP+9Jc PTOo/0N3e+F2nk5qinW5tSTV6UIcoXqZGfFAcHtGuInDTevKk1aAIJZcrsYJfTuG GOHNshlRNyRr0KlkPEfa68PcVdmehPzj0M3nkPaJm+Qw9NTIeuv4DyTtrV7IBL3R Kbon9m2PPm+xYCM3ALaNYePbCRRsP40xnnSTUxXYSbTAvgVe/uQN2oIYl4eWa1Ep gA/wqJq88mZPU+hZAy0XtRG66LYWPSLULzRyau++7LfofWmiAQQ= =zpu+ -----END PGP SIGNATURE----- --udcq9yAoWb9A4FsZ-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: wsa@the-dreams.de (Wolfram Sang) Date: Mon, 15 Oct 2018 00:33:29 +0200 Subject: [PATCH 1/2] mmc: uniphier-sd: fix DMA disabling In-Reply-To: <1539356258-12374-2-git-send-email-yamada.masahiro@socionext.com> References: <1539356258-12374-1-git-send-email-yamada.masahiro@socionext.com> <1539356258-12374-2-git-send-email-yamada.masahiro@socionext.com> Message-ID: <20181014223329.GF3260@kunai> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Oct 12, 2018 at 11:57:37PM +0900, Masahiro Yamada wrote: > Once DMA is enabled, it is not possible to disable it because > uniphier_sd_dma_endisable() always sets the DMA_ENABLE_DMASDRW bit > regardless of the argument 'enable'. It should disable DMA when > 'enable' is false. > > Signed-off-by: Masahiro Yamada Acked-by: Wolfram Sang -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: