| Message ID | cover.1674584626.git.geert+renesas@glider.be (mailing list archive) |
|---|---|
| Headers | show |
| Series | phy: Add devm_of_phy_optional_get() helper | expand |
Hi Vinod, On Tue, Jan 24, 2023 at 7:37 PM Geert Uytterhoeven <geert+renesas@glider.be> wrote: > While there exist several optional_get() PHY helper functions, there is > no optional variant of devm_of_phy_get(), leading to several drivers > implementing this theirselves, sometimes in buggy ways. > > Hence this series, after two cleanup patches, introduces a > devm_of_phy_optional_get() helper(), and converts existing users of > devm_of_phy_get() where appropriate. > > Changes compared to v1[1]: > - Incorporate "[PATCH v2 1/9] phy: Remove unused phy_optional_get()", > as it touches the same documentation, > - New patch "[PATCH v2 2/9] doc: phy: Document devm_of_phy_get()", > - Print an error message in case of failure, as requested by RobH, > - Update Documentation, > - Clarify removed checks for -ENODEV and -ENOSYS, > - Remove error printing in case of real failures from callers, > - Rebase am65-cpsw change on top of commit 854617f52ab42418 ("net: > ethernet: ti: am65-cpsw: Handle -EPROBE_DEFER for Serdes PHY") in > net-next (next-20230123 and later), > - Add Reviewed-by, Acked-by. > > Most of this series been compile-tested only, but the new helper itself > has been tested with a new user[2]. Are you happy with this? This series (at least patch 3) is a dependency for [2], and in [3] you said you could apply it and create an immutable branch. Thanks! > [1] "[PATCH treewide 0/7] phy: Add devm_of_phy_optional_get() helper" > https://lore.kernel.org/r/cover.1674036164.git.geert+renesas@glider.be > [2] "[PATCH 12/12] can: rcar_canfd: Add transceiver support" > https://lore.kernel.org/r/e825b50a843ffe40e33f34e4d858c07c1b2ff259.1674499048.git.geert+renesas@glider.be [3] https://lore.kernel.org/all/Y8kmG+jB%2Fs7stebA@matsya > > Geert Uytterhoeven (9): > phy: Remove unused phy_optional_get() > doc: phy: Document devm_of_phy_get() > phy: Add devm_of_phy_optional_get() helper > net: fman: memac: Convert to devm_of_phy_optional_get() > net: lan966x: Convert to devm_of_phy_optional_get() > net: ethernet: ti: am65-cpsw: Convert to devm_of_phy_optional_get() > PCI: tegra: Convert to devm_of_phy_optional_get() > usb: host: ehci-exynos: Convert to devm_of_phy_optional_get() > usb: host: ohci-exynos: Convert to devm_of_phy_optional_get() Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
On 24-01-23, 19:37, Geert Uytterhoeven wrote: > Hi Vinod et al, > > While there exist several optional_get() PHY helper functions, there is > no optional variant of devm_of_phy_get(), leading to several drivers > implementing this theirselves, sometimes in buggy ways. > > Hence this series, after two cleanup patches, introduces a > devm_of_phy_optional_get() helper(), and converts existing users of > devm_of_phy_get() where appropriate. Applied and pushed to tag phy-devm_of_phy_optional_get The following changes since commit 1b929c02afd37871d5afb9d498426f83432e71c2: Linux 6.2-rc1 (2022-12-25 13:41:39 -0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy.git tags/phy-devm_of_phy_optional_get for you to fetch changes up to 41a435e30eb007ca2c8f71db734af6ec3509af4d: usb: host: ohci-exynos: Convert to devm_of_phy_optional_get() (2023-02-03 11:19:35 +0530) ---------------------------------------------------------------- Phy tag for new devm_of_phy_optional_get() API ---------------------------------------------------------------- Geert Uytterhoeven (8): phy: Remove unused phy_optional_get() doc: phy: Document devm_of_phy_get() phy: Add devm_of_phy_optional_get() helper net: fman: memac: Convert to devm_of_phy_optional_get() net: lan966x: Convert to devm_of_phy_optional_get() PCI: tegra: Convert to devm_of_phy_optional_get() usb: host: ehci-exynos: Convert to devm_of_phy_optional_get() usb: host: ohci-exynos: Convert to devm_of_phy_optional_get() Documentation/driver-api/phy/phy.rst | 24 ++++++++++++++---------- drivers/net/ethernet/freescale/fman/fman_memac.c | 9 ++++----- drivers/net/ethernet/microchip/lan966x/lan966x_main.c | 5 ++--- drivers/pci/controller/pci-tegra.c | 5 +---- drivers/phy/phy-core.c | 51 ++++++++++++++++++++++++++++++--------------------- drivers/usb/host/ehci-exynos.c | 23 ++++++----------------- drivers/usb/host/ohci-exynos.c | 23 ++++++----------------- include/linux/phy/phy.h | 16 +++++++++------- 8 files changed, 72 insertions(+), 84 deletions(-) > Thanks! > > > > --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c > > > +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c > > > @@ -1460,11 +1460,9 @@ static int am65_cpsw_init_serdes_phy(struct device *dev, struct device_node *por > > > struct phy *phy; > > > int ret; > > > > > > - phy = devm_of_phy_get(dev, port_np, name); > > > - if (PTR_ERR(phy) == -ENODEV) > > > - return 0; > > > - if (IS_ERR(phy)) > > > - return PTR_ERR(phy); > > > + phy = devm_of_phy_optional_get(dev, port_np, name); > > > + if (IS_ERR_OR_NULL(phy)) > > > + return PTR_ERR_OR_ZERO(phy); > > > > > > /* Serdes PHY exists. Store it. */ > > > port->slave.serdes_phy = phy; > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds > > Changes compared to v1[1]: > - Incorporate "[PATCH v2 1/9] phy: Remove unused phy_optional_get()", > as it touches the same documentation, > - New patch "[PATCH v2 2/9] doc: phy: Document devm_of_phy_get()", > - Print an error message in case of failure, as requested by RobH, > - Update Documentation, > - Clarify removed checks for -ENODEV and -ENOSYS, > - Remove error printing in case of real failures from callers, > - Rebase am65-cpsw change on top of commit 854617f52ab42418 ("net: > ethernet: ti: am65-cpsw: Handle -EPROBE_DEFER for Serdes PHY") in > net-next (next-20230123 and later), > - Add Reviewed-by, Acked-by. > > Most of this series been compile-tested only, but the new helper itself > has been tested with a new user[2]. > > Thanks for your comments! > > [1] "[PATCH treewide 0/7] phy: Add devm_of_phy_optional_get() helper" > https://lore.kernel.org/r/cover.1674036164.git.geert+renesas@glider.be > [2] "[PATCH 12/12] can: rcar_canfd: Add transceiver support" > https://lore.kernel.org/r/e825b50a843ffe40e33f34e4d858c07c1b2ff259.1674499048.git.geert+renesas@glider.be > > Geert Uytterhoeven (9): > phy: Remove unused phy_optional_get() > doc: phy: Document devm_of_phy_get() > phy: Add devm_of_phy_optional_get() helper > net: fman: memac: Convert to devm_of_phy_optional_get() > net: lan966x: Convert to devm_of_phy_optional_get() > net: ethernet: ti: am65-cpsw: Convert to devm_of_phy_optional_get() > PCI: tegra: Convert to devm_of_phy_optional_get() > usb: host: ehci-exynos: Convert to devm_of_phy_optional_get() > usb: host: ohci-exynos: Convert to devm_of_phy_optional_get() > > Documentation/driver-api/phy/phy.rst | 24 +++++---- > .../net/ethernet/freescale/fman/fman_memac.c | 9 ++-- > .../ethernet/microchip/lan966x/lan966x_main.c | 5 +- > drivers/net/ethernet/ti/am65-cpsw-nuss.c | 8 ++- > drivers/pci/controller/pci-tegra.c | 5 +- > drivers/phy/phy-core.c | 51 +++++++++++-------- > drivers/usb/host/ehci-exynos.c | 23 +++------ > drivers/usb/host/ohci-exynos.c | 23 +++------ > include/linux/phy/phy.h | 16 +++--- > 9 files changed, 75 insertions(+), 89 deletions(-) > > -- > 2.34.1 > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds
Hi Vinod et al, While there exist several optional_get() PHY helper functions, there is no optional variant of devm_of_phy_get(), leading to several drivers implementing this theirselves, sometimes in buggy ways. Hence this series, after two cleanup patches, introduces a devm_of_phy_optional_get() helper(), and converts existing users of devm_of_phy_get() where appropriate. Changes compared to v1[1]: - Incorporate "[PATCH v2 1/9] phy: Remove unused phy_optional_get()", as it touches the same documentation, - New patch "[PATCH v2 2/9] doc: phy: Document devm_of_phy_get()", - Print an error message in case of failure, as requested by RobH, - Update Documentation, - Clarify removed checks for -ENODEV and -ENOSYS, - Remove error printing in case of real failures from callers, - Rebase am65-cpsw change on top of commit 854617f52ab42418 ("net: ethernet: ti: am65-cpsw: Handle -EPROBE_DEFER for Serdes PHY") in net-next (next-20230123 and later), - Add Reviewed-by, Acked-by. Most of this series been compile-tested only, but the new helper itself has been tested with a new user[2]. Thanks for your comments! [1] "[PATCH treewide 0/7] phy: Add devm_of_phy_optional_get() helper" https://lore.kernel.org/r/cover.1674036164.git.geert+renesas@glider.be [2] "[PATCH 12/12] can: rcar_canfd: Add transceiver support" https://lore.kernel.org/r/e825b50a843ffe40e33f34e4d858c07c1b2ff259.1674499048.git.geert+renesas@glider.be Geert Uytterhoeven (9): phy: Remove unused phy_optional_get() doc: phy: Document devm_of_phy_get() phy: Add devm_of_phy_optional_get() helper net: fman: memac: Convert to devm_of_phy_optional_get() net: lan966x: Convert to devm_of_phy_optional_get() net: ethernet: ti: am65-cpsw: Convert to devm_of_phy_optional_get() PCI: tegra: Convert to devm_of_phy_optional_get() usb: host: ehci-exynos: Convert to devm_of_phy_optional_get() usb: host: ohci-exynos: Convert to devm_of_phy_optional_get() Documentation/driver-api/phy/phy.rst | 24 +++++---- .../net/ethernet/freescale/fman/fman_memac.c | 9 ++-- .../ethernet/microchip/lan966x/lan966x_main.c | 5 +- drivers/net/ethernet/ti/am65-cpsw-nuss.c | 8 ++- drivers/pci/controller/pci-tegra.c | 5 +- drivers/phy/phy-core.c | 51 +++++++++++-------- drivers/usb/host/ehci-exynos.c | 23 +++------ drivers/usb/host/ohci-exynos.c | 23 +++------ include/linux/phy/phy.h | 16 +++--- 9 files changed, 75 insertions(+), 89 deletions(-)