From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sinan Kaya Subject: Re: [PATCH 1/2] parisc: use the asm-generic version for writeX() Date: Mon, 16 Apr 2018 19:15:37 -0400 Message-ID: References: <1523916078-23049-1-git-send-email-okaya@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "James E.J. Bottomley" , Helge Deller , Thomas Gleixner , Philippe Ombredanne , Greg Kroah-Hartman , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org To: John David Anglin , arnd@arndb.de, timur@codeaurora.org, sulrich@codeaurora.org Return-path: In-Reply-To: List-ID: List-Id: linux-parisc.vger.kernel.org On 4/16/2018 7:09 PM, John David Anglin wrote: > On 2018-04-16 6:01 PM, Sinan Kaya wrote: >> parisc architecture seems to be mapping writeX() and writeX_relaxed() APIs >> to __raw_writeX() API. >> >> __raw_writeX() API doesn't provide any kind of ordering guarantees. >> commit 755bd04aaf4b ("io: define stronger ordering for the default writeX() >> implementation") changed asm-generic implementation to use a more >> conservative approach towards the writeX() API. >> >> Drop the arch specific version and rely on the asm-generic version for >> parisc since parisc version doesn't seem to do anything special with these >> macros. >   HOSTLD  scripts/mod/modpost > In file included from ./arch/parisc/include/asm/hardirq.h:13:0, >                  from ./include/linux/hardirq.h:9, >                  from arch/parisc/kernel/asm-offsets.c:34: > ./include/linux/irq.h: In function 'irq_reg_writel': > ./include/linux/irq.h:1114:3: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration] >    writel(val, gc->reg_base + reg_offset); >    ^~~~~~ > ./include/linux/irq.h: In function 'irq_reg_readl': > ./include/linux/irq.h:1123:10: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration] >    return readl(gc->reg_base + reg_offset); >           ^~~~~ > cc1: some warnings being treated as errors > make[1]: *** [Kbuild:58: arch/parisc/kernel/asm-offsets.s] Error 1 > > Dave > Thanks for testing. Can you add this on top and see if it helps? --- a/arch/parisc/include/asm/io.h +++ b/arch/parisc/include/asm/io.h @@ -259,6 +259,7 @@ extern void outsl (unsigned long port, const void *src, unsigned long count); * value for either 32 or 64 bit mode */ #define F_EXTEND(x) ((unsigned long)((x) | (0xffffffff00000000ULL))) +#include #include -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.