Messages in this thread | | | Date | Tue, 24 Apr 2012 08:33:32 +0200 | From | Giuseppe CAVALLARO <> | Subject | Re: [PATCH V2 6/9] net/stmmac: Remove conditional compilation of clk code |
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On 4/24/2012 8:16 AM, Giuseppe CAVALLARO wrote: > On 4/24/2012 7:56 AM, Viresh KUMAR wrote: >> With addition of dummy clk_*() calls for non CONFIG_HAVE_CLK cases in clk.h, >> there is no need to have clk code enclosed in #ifdef CONFIG_HAVE_CLK, #endif >> macros. > > Hello Viresh > > patch only applies fine against the net-next repository so on top of the > diver version: March_2012 and it builds fine on arch w/ w/o HAVE_CLK > (just tested).
Oops, sorry but on a build I got:
CC init/version.o LD init/built-in.o LD .tmp_vmlinux1 drivers/built-in.o: In function `stmmac_release': /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1134: undefined reference to `clk_disable' drivers/built-in.o: In function `stmmac_open': /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:974: undefined reference to `clk_enable' /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1079: undefined reference to `clk_disable' drivers/built-in.o: In function `stmmac_dvr_probe': /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1931: undefined reference to `clk_get' drivers/built-in.o: In function `stmmac_clk_csr_set': /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:174: undefined reference to `clk_get_rate' drivers/built-in.o: In function `stmmac_suspend': /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2030: undefined reference to `clk_disable' drivers/built-in.o: In function `stmmac_resume': /stlinux/cavagiu/git/mirror/net-next.git/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2054: undefined reference to `clk_enable' make: *** [.tmp_vmlinux1] Error 1
Pls, can you verify?
Peppe
> > Thanks a lot. > > Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> > >> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> >> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> >> Cc: David S. Miller <davem@davemloft.net> >> --- >> drivers/net/ethernet/stmicro/stmmac/stmmac.h | 41 --------------------- >> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 31 ++++++++++------ >> 2 files changed, 19 insertions(+), 53 deletions(-) >> >> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h >> index db2de9a..7f85895 100644 >> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h >> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h >> @@ -81,9 +81,7 @@ struct stmmac_priv { >> struct stmmac_counters mmc; >> struct dma_features dma_cap; >> int hw_cap_support; >> -#ifdef CONFIG_HAVE_CLK >> struct clk *stmmac_clk; >> -#endif >> int clk_csr; >> }; >> >> @@ -103,42 +101,3 @@ int stmmac_dvr_remove(struct net_device *ndev); >> struct stmmac_priv *stmmac_dvr_probe(struct device *device, >> struct plat_stmmacenet_data *plat_dat, >> void __iomem *addr); >> - >> -#ifdef CONFIG_HAVE_CLK >> -static inline int stmmac_clk_enable(struct stmmac_priv *priv) >> -{ >> - if (!IS_ERR(priv->stmmac_clk)) >> - return clk_enable(priv->stmmac_clk); >> - >> - return 0; >> -} >> - >> -static inline void stmmac_clk_disable(struct stmmac_priv *priv) >> -{ >> - if (IS_ERR(priv->stmmac_clk)) >> - return; >> - >> - clk_disable(priv->stmmac_clk); >> -} >> -static inline int stmmac_clk_get(struct stmmac_priv *priv) >> -{ >> - priv->stmmac_clk = clk_get(priv->device, NULL); >> - >> - if (IS_ERR(priv->stmmac_clk)) >> - return PTR_ERR(priv->stmmac_clk); >> - >> - return 0; >> -} >> -#else >> -static inline int stmmac_clk_enable(struct stmmac_priv *priv) >> -{ >> - return 0; >> -} >> -static inline void stmmac_clk_disable(struct stmmac_priv *priv) >> -{ >> -} >> -static inline int stmmac_clk_get(struct stmmac_priv *priv) >> -{ >> - return 0; >> -} >> -#endif /* CONFIG_HAVE_CLK */ >> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c >> index 1a4cf81..18ce287 100644 >> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c >> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c >> @@ -28,6 +28,7 @@ >> https://bugzilla.stlinux.com/ >> *******************************************************************************/ >> >> +#include <linux/clk.h> >> #include <linux/kernel.h> >> #include <linux/interrupt.h> >> #include <linux/ip.h> >> @@ -165,7 +166,6 @@ static void stmmac_verify_args(void) >> >> static void stmmac_clk_csr_set(struct stmmac_priv *priv) >> { >> -#ifdef CONFIG_HAVE_CLK >> u32 clk_rate; >> >> if (IS_ERR(priv->stmmac_clk)) >> @@ -192,7 +192,6 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv) >> * we can not estimate the proper divider as it is not known >> * the frequency of clk_csr_i. So we do not change the default >> * divider. */ >> -#endif >> } >> >> #if defined(STMMAC_XMIT_DEBUG) || defined(STMMAC_RX_DEBUG) >> @@ -971,7 +970,8 @@ static int stmmac_open(struct net_device *dev) >> } else >> priv->tm->enable = 1; >> #endif >> - stmmac_clk_enable(priv); >> + if (!IS_ERR(priv->stmmac_clk)) >> + clk_enable(priv->stmmac_clk); >> >> stmmac_check_ether_addr(priv); >> >> @@ -1075,7 +1075,8 @@ open_error: >> if (priv->phydev) >> phy_disconnect(priv->phydev); >> >> - stmmac_clk_disable(priv); >> + if (!IS_ERR(priv->stmmac_clk)) >> + clk_disable(priv->stmmac_clk); >> >> return ret; >> } >> @@ -1128,7 +1129,9 @@ static int stmmac_release(struct net_device *dev) >> #ifdef CONFIG_STMMAC_DEBUG_FS >> stmmac_exit_fs(); >> #endif >> - stmmac_clk_disable(priv); >> + >> + if (!IS_ERR(priv->stmmac_clk)) >> + clk_disable(priv->stmmac_clk); >> >> return 0; >> } >> @@ -1925,7 +1928,8 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device, >> goto error; >> } >> >> - if (stmmac_clk_get(priv)) >> + priv->stmmac_clk = clk_get(priv->device, NULL); >> + if (IS_ERR(priv->stmmac_clk)) >> pr_warning("%s: warning: cannot get CSR clock\n", __func__); >> >> /* If a specific clk_csr value is passed from the platform >> @@ -1934,10 +1938,12 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device, >> * set the MDC clock dynamically according to the csr actual >> * clock input. >> */ >> - if (!priv->plat->clk_csr) >> - stmmac_clk_csr_set(priv); >> - else >> + if (!priv->plat->clk_csr) { >> + if (!IS_ERR(priv->stmmac_clk)) >> + stmmac_clk_csr_set(priv); >> + } else { >> priv->clk_csr = priv->plat->clk_csr; >> + } >> >> /* MDIO bus Registration */ >> ret = stmmac_mdio_register(ndev); >> @@ -2020,7 +2026,8 @@ int stmmac_suspend(struct net_device *ndev) >> else { >> stmmac_set_mac(priv->ioaddr, false); >> /* Disable clock in case of PWM is off */ >> - stmmac_clk_disable(priv); >> + if (!IS_ERR(priv->stmmac_clk)) >> + clk_disable(priv->stmmac_clk); >> } >> spin_unlock(&priv->lock); >> return 0; >> @@ -2042,9 +2049,9 @@ int stmmac_resume(struct net_device *ndev) >> * from another devices (e.g. serial console). */ >> if (device_may_wakeup(priv->device)) >> priv->hw->mac->pmt(priv->ioaddr, 0); >> - else >> + else if (!IS_ERR(priv->stmmac_clk)) >> /* enable the clk prevously disabled */ >> - stmmac_clk_enable(priv); >> + clk_enable(priv->stmmac_clk); >> >> netif_device_attach(ndev); >> > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >
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