From: kgene.kim@samsung.com (Kukjin Kim)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 05/12] ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5
Date: Wed, 14 Mar 2012 00:06:26 -0700 [thread overview]
Message-ID: <4F604372.3040507@samsung.com> (raw)
In-Reply-To: <201203131613.10620.arnd@arndb.de>
On 03/13/12 09:13, Arnd Bergmann wrote:
> On Tuesday 13 March 2012, Kukjin Kim wrote:
>> Actually, the base address of uart is different between EXYNOS4
>> and EXYNOS5 and this patch enables to support uart for EXYNOS4
>> and EXYNOS5 SoCs at runtime.
>
> Can you explain why this patch is still needed? The exynos5250_dt_map_io
> function does not call s3c24xx_init_uarts() at all, so it seems that most
> of this patch just adds dead code that would only be needed for the non-dt
> case.
>
Yes, as you said, dt can support uart without most of this changes so we
can drop adding/setup platform devices for uart here. But I thought
non-dt exynos4 supporting is still available in mach-exynos/ and
actually it is used for many product now and exynos5 can be selected for
single zImage without CONFIG_OF. Even though we will move to only
supporting dt world in mach-exynos/ for all of EXYNOS SoCs in the near
future. So would be removed it when non-dt exynos4 does not support.
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
next prev parent reply other threads:[~2012-03-14 7:06 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-13 15:30 [PATCH v3 00/12] ARM: EXYNOS: add support new EXYNOS5250 Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 01/12] ARM: EXYNOS: to declare static for mach-exynos/common.c Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 02/12] ARM: EXYNOS: use exynos_init_uarts() instead of exynos4_init_uarts() Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 03/12] ARM: EXYNOS: add clock part for EXYNOS5250 SoC Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 04/12] ARM: EXYNOS: add initial setup-i2c0 for EXYNOS5 Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 05/12] ARM: EXYNOS: add support uart for EXYNOS4 and EXYNOS5 Kukjin Kim
2012-03-13 16:13 ` Arnd Bergmann
2012-03-14 7:06 ` Kukjin Kim [this message]
2012-03-13 15:30 ` [PATCH v3 06/12] ARM: EXYNOS: add support for EXYNOS5250 SoC Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 07/12] ARM: EXYNOS: add interrupt definitions for EXYNOS5250 Kukjin Kim
2012-03-14 3:42 ` Olof Johansson
2012-03-14 6:30 ` Kukjin Kim
2012-03-14 5:27 ` Thomas Abraham
2012-03-14 6:32 ` Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 08/12] ARM: EXYNOS: support EINT for EXYNOS4 and EXYNOS5 Kukjin Kim
2012-03-14 3:52 ` Olof Johansson
2012-03-14 6:33 ` Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 09/12] ARM: EXYNOS: add support get_core_count() for EXYNOS5250 Kukjin Kim
2012-03-13 16:15 ` Arnd Bergmann
2012-03-14 6:49 ` Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 10/12] ARM: EXYNOS: add support ARCH_EXYNOS5 for EXYNOS5 SoCs Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 11/12] ARM: EXYNOS: add support device tree enabled board file for EXYNOS5 Kukjin Kim
2012-03-13 15:30 ` [PATCH v3 12/12] ARM: dts: add initial dts file for EXYNOS5250, SMDK5250 Kukjin Kim
2012-03-14 3:56 ` Olof Johansson
2012-03-14 6:43 ` Kukjin Kim
2012-03-13 16:22 ` [PATCH v3 00/12] ARM: EXYNOS: add support new EXYNOS5250 Arnd Bergmann
2012-03-14 3:57 ` Olof Johansson
2012-03-14 7:08 ` Kukjin Kim
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