From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Qiang Zhao <qiang.zhao@nxp.com>, Li Yang <leoyang.li@nxp.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 3/7] soc: fsl: qe: avoid ppc-specific io accessors
Date: Tue, 22 Oct 2019 15:01:34 +0000 [thread overview]
Message-ID: <6ee121cf-0e3d-4aa0-2593-fcb00995e429@c-s.fr> (raw)
In-Reply-To: <20191018125234.21825-4-linux@rasmusvillemoes.dk>
On 10/18/2019 12:52 PM, Rasmus Villemoes wrote:
> In preparation for allowing to build QE support for architectures
> other than PPC, replace the ppc-specific io accessors. Done via
>
This patch is not transparent in terms of performance, functions get
changed significantly.
Before the patch:
00000330 <ucc_fast_enable>:
330: 81 43 00 04 lwz r10,4(r3)
334: 7c 00 04 ac hwsync
338: 81 2a 00 00 lwz r9,0(r10)
33c: 0c 09 00 00 twi 0,r9,0
340: 4c 00 01 2c isync
344: 70 88 00 02 andi. r8,r4,2
348: 41 82 00 10 beq 358 <ucc_fast_enable+0x28>
34c: 39 00 00 01 li r8,1
350: 91 03 00 10 stw r8,16(r3)
354: 61 29 00 10 ori r9,r9,16
358: 70 88 00 01 andi. r8,r4,1
35c: 41 82 00 10 beq 36c <ucc_fast_enable+0x3c>
360: 39 00 00 01 li r8,1
364: 91 03 00 14 stw r8,20(r3)
368: 61 29 00 20 ori r9,r9,32
36c: 7c 00 04 ac hwsync
370: 91 2a 00 00 stw r9,0(r10)
374: 4e 80 00 20 blr
After the patch:
0000030c <ucc_fast_enable>:
30c: 94 21 ff e0 stwu r1,-32(r1)
310: 7c 08 02 a6 mflr r0
314: bf a1 00 14 stmw r29,20(r1)
318: 7c 9f 23 78 mr r31,r4
31c: 90 01 00 24 stw r0,36(r1)
320: 7c 7e 1b 78 mr r30,r3
324: 83 a3 00 04 lwz r29,4(r3)
328: 7f a3 eb 78 mr r3,r29
32c: 48 00 00 01 bl 32c <ucc_fast_enable+0x20>
32c: R_PPC_REL24 ioread32be
330: 73 e9 00 02 andi. r9,r31,2
334: 41 82 00 10 beq 344 <ucc_fast_enable+0x38>
338: 39 20 00 01 li r9,1
33c: 91 3e 00 10 stw r9,16(r30)
340: 60 63 00 10 ori r3,r3,16
344: 73 e9 00 01 andi. r9,r31,1
348: 41 82 00 10 beq 358 <ucc_fast_enable+0x4c>
34c: 39 20 00 01 li r9,1
350: 91 3e 00 14 stw r9,20(r30)
354: 60 63 00 20 ori r3,r3,32
358: 80 01 00 24 lwz r0,36(r1)
35c: 7f a4 eb 78 mr r4,r29
360: bb a1 00 14 lmw r29,20(r1)
364: 7c 08 03 a6 mtlr r0
368: 38 21 00 20 addi r1,r1,32
36c: 48 00 00 00 b 36c <ucc_fast_enable+0x60>
36c: R_PPC_REL24 iowrite32be
Christophe
next prev parent reply other threads:[~2019-10-22 15:01 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-18 12:52 [PATCH 0/7] towards QE support on ARM Rasmus Villemoes
2019-10-18 12:52 ` [PATCH 1/7] soc: fsl: qe: remove space-before-tab Rasmus Villemoes
2019-10-18 12:57 ` Christophe Leroy
2019-10-18 12:52 ` [PATCH 2/7] soc: fsl: qe: drop volatile qualifier of struct qe_ic::regs Rasmus Villemoes
2019-10-18 13:01 ` Christophe Leroy
2019-10-18 12:52 ` [PATCH 3/7] soc: fsl: qe: avoid ppc-specific io accessors Rasmus Villemoes
2019-10-22 15:01 ` Christophe Leroy [this message]
2019-10-23 7:08 ` Rasmus Villemoes
2019-10-18 12:52 ` [PATCH 4/7] soc: fsl: qe: replace spin_event_timeout by readx_poll_timeout_atomic Rasmus Villemoes
2019-10-18 16:08 ` Christoph Hellwig
2019-10-24 8:32 ` Rasmus Villemoes
2019-10-30 0:36 ` Michael Ellerman
2019-10-18 12:52 ` [PATCH 5/7] serial: make SERIAL_QE depend on PPC32 Rasmus Villemoes
2019-10-18 12:52 ` [PATCH 6/7] serial: ucc_uart.c: explicitly include asm/cpm.h Rasmus Villemoes
2019-10-18 12:52 ` [PATCH 7/7] soc/fsl/qe/qe.h: remove include of asm/cpm.h Rasmus Villemoes
2019-10-18 20:16 ` [PATCH 0/7] towards QE support on ARM Leo Li
2019-10-18 20:52 ` Rasmus Villemoes
2019-10-18 21:52 ` Li Yang
2019-10-21 8:44 ` Rasmus Villemoes
2019-10-21 22:11 ` Li Yang
2019-10-22 2:24 ` Qiang Zhao
2019-10-22 10:17 ` Rasmus Villemoes
2019-10-23 2:52 ` Qiang Zhao
2019-10-24 20:02 ` Li Yang
2019-10-22 10:12 ` Rasmus Villemoes
2019-10-22 15:06 ` Christophe Leroy
2019-10-25 12:40 ` [PATCH v2 00/23] QUICC Engine " Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 01/23] soc: fsl: qe: remove space-before-tab Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 02/23] soc: fsl: qe: drop volatile qualifier of struct qe_ic::regs Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 03/23] soc: fsl: qe: avoid ppc-specific io accessors Rasmus Villemoes
2019-10-29 7:43 ` Christophe Leroy
2019-10-29 8:43 ` ppc: inlining iowrite32be and friends (was: Re: [PATCH v2 03/23] soc: fsl: qe: avoid ppc-specific io accessors) Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 04/23] soc: fsl: qe: replace spin_event_timeout by readx_poll_timeout_atomic Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 05/23] soc: fsl: qe: qe.c: guard use of pvr_version_is() with CONFIG_PPC32 Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 06/23] soc: fsl: qe: avoid tail comments in qe_ic.h Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 07/23] soc: fsl: qe: merge qe_ic.h into qe_ic.c Rasmus Villemoes
2019-10-30 10:24 ` Christophe Leroy
2019-10-25 12:40 ` [PATCH v2 08/23] soc: fsl: qe: drop unneeded #includes Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 09/23] soc: fsl: qe: move qe_ic_cascade_* functions to qe_ic.c Rasmus Villemoes
2019-10-30 10:45 ` Christophe Leroy
2019-10-25 12:40 ` [PATCH v2 10/23] soc: fsl: qe: use qe_ic_cascade_{low,high}_mpic also on 83xx Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 11/23] soc: fsl: qe: rename qe_ic_cascade_low_mpic -> qe_ic_cascade_low Rasmus Villemoes
2019-10-30 10:47 ` Christophe Leroy
2019-10-25 12:40 ` [PATCH v2 12/23] soc: fsl: qe: drop assign-only high_active in qe_ic_init Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 13/23] soc: fsl: qe: remove pointless sysfs registration in qe_ic.c Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 14/23] soc: fsl: qe: move calls of qe_ic_init out of arch/powerpc/ Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 15/23] powerpc/83xx: remove mpc83xx_ipic_and_qe_init_IRQ Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 16/23] powerpc/85xx: remove mostly pointless mpc85xx_qe_init() Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 17/23] soc: fsl: qe: make qe_ic_cascade_* static Rasmus Villemoes
2019-10-30 10:50 ` Christophe Leroy
2019-10-30 12:52 ` Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 18/23] soc: fsl: qe: remove unused qe_ic_set_* functions Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 19/23] net: ethernet: freescale: make UCC_GETH explicitly depend on PPC32 Rasmus Villemoes
2019-10-30 10:55 ` Christophe Leroy
2019-10-25 12:40 ` [PATCH v2 20/23] serial: make SERIAL_QE " Rasmus Villemoes
2019-10-29 22:44 ` Leo Li
2019-10-29 22:50 ` Rasmus Villemoes
2019-10-30 10:56 ` Christophe Leroy
2019-10-25 12:40 ` [PATCH v2 21/23] serial: ucc_uart.c: explicitly include asm/cpm.h Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 22/23] soc/fsl/qe/qe.h: remove include of asm/cpm.h Rasmus Villemoes
2019-10-25 12:40 ` [PATCH v2 23/23] soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE Rasmus Villemoes
2019-10-28 14:17 ` kbuild test robot
2019-10-28 14:49 ` kbuild test robot
2019-10-29 0:50 ` kbuild test robot
2019-11-01 12:41 ` [PATCH v3 00/36] QUICC Engine support on ARM Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 01/36] soc: fsl: qe: remove space-before-tab Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 02/36] soc: fsl: qe: drop volatile qualifier of struct qe_ic::regs Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 03/36] soc: fsl: qe: rename qe_(clr/set/clrset)bit* helpers Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 04/36] soc: fsl: qe: introduce qe_io{read,write}* wrappers Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 05/36] soc: fsl: qe: avoid ppc-specific io accessors Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 06/36] soc: fsl: qe: replace spin_event_timeout by readx_poll_timeout_atomic Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 07/36] soc: fsl: qe: qe.c: guard use of pvr_version_is() with CONFIG_PPC32 Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 08/36] soc: fsl: qe: drop unneeded #includes Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 09/36] soc: fsl: qe: drop assign-only high_active in qe_ic_init Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 10/36] soc: fsl: qe: remove pointless sysfs registration in qe_ic.c Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 11/36] soc: fsl: qe: use qe_ic_cascade_{low,high}_mpic also on 83xx Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 12/36] soc: fsl: qe: move calls of qe_ic_init out of arch/powerpc/ Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 13/36] powerpc/83xx: remove mpc83xx_ipic_and_qe_init_IRQ Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 14/36] powerpc/85xx: remove mostly pointless mpc85xx_qe_init() Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 15/36] soc: fsl: qe: move qe_ic_cascade_* functions to qe_ic.c Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 16/36] soc: fsl: qe: rename qe_ic_cascade_low_mpic -> qe_ic_cascade_low Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 17/36] soc: fsl: qe: remove unused qe_ic_set_* functions Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 18/36] soc: fsl: qe: don't use NO_IRQ in qe_ic.c Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 19/36] soc: fsl: qe: make qe_ic_get_{low,high}_irq static Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 20/36] soc: fsl: qe: simplify qe_ic_init() Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 21/36] soc: fsl: qe: merge qe_ic.h headers into qe_ic.c Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 22/36] soc: fsl: qe: qe.c: use of_property_read_* helpers Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 23/36] soc: fsl: qe: qe_io.c: don't open-code of_parse_phandle() Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 24/36] soc: fsl: qe: qe_io.c: access device tree property using be32_to_cpu Rasmus Villemoes
2019-11-01 12:41 ` [PATCH v3 25/36] soc: fsl: qe: qe_io.c: use of_property_read_u32() in par_io_init() Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 26/36] soc: fsl: move cpm.h from powerpc/include/asm to include/soc/fsl Rasmus Villemoes
2019-11-01 16:18 ` Christophe Leroy
2019-11-01 16:59 ` Scott Wood
2019-11-01 12:42 ` [PATCH v3 27/36] soc/fsl/qe/qe.h: update include path for cpm.h Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 28/36] serial: ucc_uart: explicitly include soc/fsl/cpm.h Rasmus Villemoes
2019-11-01 16:19 ` Christophe Leroy
2019-11-04 7:38 ` Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 29/36] serial: ucc_uart: replace ppc-specific IO accessors Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 30/36] serial: ucc_uart: factor out soft_uart initialization Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 31/36] serial: ucc_uart: stub out soft_uart_init for !CONFIG_PPC32 Rasmus Villemoes
2019-11-01 16:27 ` Christophe Leroy
2019-11-04 8:03 ` Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 32/36] serial: ucc_uart: use of_property_read_u32() in ucc_uart_probe() Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 33/36] serial: ucc_uart: access __be32 field using be32_to_cpu Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 34/36] net: ethernet: freescale: make UCC_GETH explicitly depend on PPC32 Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 35/36] net/wan: make FSL_UCC_HDLC " Rasmus Villemoes
2019-11-01 16:29 ` Christophe Leroy
2019-11-01 22:31 ` Leo Li
2019-11-04 8:38 ` Rasmus Villemoes
2019-11-04 20:56 ` Li Yang
2019-11-05 22:46 ` Rasmus Villemoes
2019-11-05 23:46 ` Li Yang
2019-11-05 6:16 ` Qiang Zhao
2019-11-06 7:56 ` Rasmus Villemoes
2019-11-01 12:42 ` [PATCH v3 36/36] soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE Rasmus Villemoes
2019-11-02 17:39 ` kbuild test robot
2019-11-14 23:26 ` kbuild test robot
2019-11-14 23:26 ` [RFC PATCH] soc: fsl: qe: qe_uart_set_mctrl() can be static kbuild test robot
2019-11-15 13:31 ` [PATCH v3 36/36] soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE kbuild test robot
2019-11-15 13:42 ` Rasmus Villemoes
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