From: Clemens Ladisch <clemens@ladisch.de>
To: Huacai Chen <chenhuacai@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
linux-mips@linux-mips.org, alsa-devel@alsa-project.org,
Zhangjin Wu <wuzhangjin@gmail.com>, Hua Yan <yanh@lemote.com>,
Fuxin Zhang <zhangfx@lemote.com>,
Hongliang Tao <taohl@lemote.com>, Huacai Chen <chenhc@lemote.com>
Subject: Re: [alsa-devel] [PATCH V2 13/16] ALSA: HDA: Make hda sound card usable for Loongson.
Date: Tue, 19 Jun 2012 11:09:41 +0200 [thread overview]
Message-ID: <4FE041D5.8030002@ladisch.de> (raw)
In-Reply-To: <1340088624-25550-14-git-send-email-chenhc@lemote.com>
Huacai Chen wrote:
> 1, Use 32-bit DMA as a workaround (Loongson has a hardware bug that it
> doesn't support DMA address above 4GB).
> 2, Modify patch_conexant.c to add Lemote specific code.
Please create separate patches for these two changes.
> +++ b/include/linux/pci_ids.h
> @@ -2906,3 +2906,5 @@
> #define PCI_DEVICE_ID_XEN_PLATFORM 0x0001
>
> #define PCI_VENDOR_ID_OCZ 0x1b85
> +
> +#define PCI_VENDOR_ID_LEMOTE 0x1c06
AFAICS this symbol is not used in this patch.
> +#ifdef CONFIG_CPU_LOONGSON3
> + /* Workaround: Loongson 3 doesn't support 64-bit DMA */
> + gcap &= ~ICH6_GCAP_64OK;
> +#endif
/* Workaround: Loongson 3 doesn't actually support 64-bit DMA */
Regards,
Clemens
next prev parent reply other threads:[~2012-06-19 9:09 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-19 6:50 [PATCH V2 00/14] MIPS: Add Loongson-3 based machines support Huacai Chen
2012-06-19 6:50 ` [PATCH V2 01/16] MIPS: Loongson: Add basic Loongson-3 definition Huacai Chen
2012-06-19 9:36 ` Florian Fainelli
2012-06-19 10:44 ` Huacai Chen
2012-06-19 6:50 ` [PATCH V2 02/16] MIPS: Loongson: Add basic Loongson-3 CPU support Huacai Chen
2012-06-19 9:47 ` Florian Fainelli
2012-06-19 10:45 ` Huacai Chen
2012-06-19 6:50 ` [PATCH V2 03/16] MIPS: Loongson 3: Add Lemote-3A machtypes definition Huacai Chen
2012-06-19 11:08 ` Sergei Shtylyov
2012-06-19 11:46 ` Huacai Chen
2012-06-19 6:50 ` [PATCH V2 04/16] MIPS: Loongson: Make Loongson-3 to use BCD format for RTC Huacai Chen
2012-06-19 6:50 ` [PATCH V2 05/16] MIPS: Loongson: Add UEFI-like firmware interface support Huacai Chen
2012-06-19 6:50 ` [PATCH V2 06/16] MIPS: Loongson 3: Add HT-linked PCI support Huacai Chen
2012-06-19 6:50 ` [PATCH V2 07/16] MIPS: Loongson 3: Add IRQ init and dispatch support Huacai Chen
2012-06-19 6:50 ` [PATCH V2 08/16] MIPS: Loongson 3: Add serial port support Huacai Chen
2012-06-19 6:50 ` [PATCH V2 09/16] MIPS: Loongson: Add swiotlb to support big memory (>4GB) Huacai Chen
2012-06-19 6:50 ` [PATCH V2 10/16] MIPS: Loongson: Add Loongson-3 Kconfig options Huacai Chen
2012-06-19 6:50 ` [PATCH V2 11/16] ata: Use 32-bit DMA in AHCI for Loongson-3 Huacai Chen
2012-06-19 12:32 ` Jeff Garzik
2012-06-19 12:36 ` Huacai Chen
2012-06-19 6:50 ` [PATCH V2 12/16] drm/radeon: Make radeon card usable for Loongson Huacai Chen
2012-06-19 7:19 ` Lucas Stach
2012-06-19 14:07 ` j.glisse
2012-06-20 6:12 ` Huacai Chen
2012-06-20 6:38 ` Lucas Stach
2012-06-20 6:54 ` Huacai Chen
2012-06-19 7:56 ` Michel Dänzer
2012-06-19 10:46 ` Huacai Chen
2012-06-19 13:57 ` j.glisse
2012-06-20 1:26 ` Alex Deucher
2012-06-20 8:28 ` Huacai Chen
2012-06-20 16:16 ` Alex Deucher
2012-06-19 6:50 ` [PATCH V2 13/16] ALSA: HDA: Make hda sound " Huacai Chen
2012-06-19 9:09 ` Clemens Ladisch [this message]
2012-06-19 9:26 ` [alsa-devel] " Takashi Iwai
2012-06-19 10:47 ` Huacai Chen
2012-06-19 6:50 ` [PATCH V2 14/16] MIPS: Loongson 3: Add Loongson-3 SMP support Huacai Chen
2012-06-19 6:50 ` [PATCH V2 15/16] MIPS: Loongson 3: Add CPU Hotplug support Huacai Chen
2012-06-19 9:31 ` Yong Zhang
2012-06-19 9:31 ` Yong Zhang
2012-06-19 10:51 ` Huacai Chen
2012-06-20 6:36 ` Yong Zhang
2012-06-20 6:36 ` Yong Zhang
2012-06-20 6:57 ` Huacai Chen
2012-06-19 9:32 ` Yong Zhang
2012-06-19 9:32 ` Yong Zhang
2012-06-19 6:50 ` [PATCH V2 16/16] MIPS: Loongson: Add a Loongson-3 default config file Huacai Chen
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