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received-spf: None (protection.outlook.com: sifive.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: BKNvQ3gEwJwQ9VTZR117u22w7qHDkc2wfLxUSrpN4YByfU6k5/UzvO5mD1HEObeREyzOVccXGlHzYKVKPnYnEpHcCSlJSoiyAkzowK5vBEoRMeBaOE1Prjqe8N62ZbKbmrDLKUZiLyNyuiuCnidB15iRy2rhs2G/4jeKibQlMKeq+KbNX1j3eQiBcywzP/9xeVkW1aCCJiBUPx4/Pys3/MZN4+iRXuwVMEAxdcOPYomlzfVXkaTFNERQ3jEhap8vzLPSfCDiXdxIGUHjRcUNmePhhpX7sPfYVpgKTuJRYArnah1jyBd8LN8Jqd0je1AJZGTPenShj22+yyfn31/ysO5MLKOwEee7AubT9VGUsd9KwJj6JoCLFTXGhWafxyeuH+v3Hp8+5F5vP9PGPrSAIfTMd5c4GjF92mDCkXZGAr4LgQvewKr8y1gv8GuftDT9 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: sifive.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8acea5b6-82a9-4167-749d-08d7716c65ea X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Nov 2019 05:57:47.8544 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 22f88e9d-ae0d-4ed9-b984-cdc9be1529f1 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: L5p/nrJWMox8gPit1aWrblolfvkQ8XZLPVSkXY5EP/nUjZYNhdw6pIMc/PR6RtlheEh4jeAgOGJeVkDQT3fviA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR13MB2622 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add a new function irq_domain_translate_onecell() that is to be used as the translate function in struct irq_domain_ops. Signed-off-by: Yash Shah --- include/linux/irqdomain.h | 5 +++++ kernel/irq/irqdomain.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 583e7ab..cad9eb8 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -426,6 +426,11 @@ int irq_domain_translate_twocell(struct irq_domain *d, unsigned long *out_hwirq, unsigned int *out_type); =20 +int irq_domain_translate_onecell(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *out_hwirq, + unsigned int *out_type); + /* IPI functions */ int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest)= ; int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 132672b..cf57d87d 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -987,6 +987,23 @@ const struct irq_domain_ops irq_domain_simple_ops =3D = { EXPORT_SYMBOL_GPL(irq_domain_simple_ops); =20 /** + * irq_domain_translate_onecell() - Generic translate for direct one cell + * bindings + */ +int irq_domain_translate_onecell(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *out_hwirq, + unsigned int *out_type) +{ + if (WARN_ON(fwspec->param_count < 1)) + return -EINVAL; + *out_hwirq =3D fwspec->param[0]; + *out_type =3D IRQ_TYPE_NONE; + return 0; +} +EXPORT_SYMBOL_GPL(irq_domain_translate_onecell); + +/** * irq_domain_translate_twocell() - Generic translate for direct two cell * bindings * --=20 2.7.4