From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcin Obara Subject: Re: [tpmdd-devel] [PATCH v3 12/15] tpm/tpm_i2c_stm_st33: Remove useless i2c read on interrupt registers Date: Tue, 14 Oct 2014 10:17:48 +0200 Message-ID: References: <1413231817-5174-1-git-send-email-christophe-h.ricard@st.com> <1413231817-5174-13-git-send-email-christophe-h.ricard@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1413231817-5174-13-git-send-email-christophe-h.ricard-qxv4g6HH51o@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Christophe Ricard Cc: peterhuewe-Mmb7MZpHnFY@public.gmane.org, ashley-fm2HMyfA2y6tG0bUXCXiUA@public.gmane.org, tpmdd-yWjUBOtONefk1uMJSBkQmQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, jean-luc.blanc-qxv4g6HH51o@public.gmane.org, tpmdd-devel , christophe-h.ricard-qxv4g6HH51o@public.gmane.org List-Id: devicetree@vger.kernel.org Wasn't last read required for flush write? 2014-10-13 22:23 GMT+02:00 Christophe Ricard : > Remove useless i2c read on TPM_INT_ENABLE and TPM_INT_STATUS > > Signed-off-by: Christophe Ricard > --- > drivers/char/tpm/tpm_i2c_stm_st33.c | 9 --------- > 1 file changed, 9 deletions(-) > > diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c > index 388bb64..ed4176e 100644 > --- a/drivers/char/tpm/tpm_i2c_stm_st33.c > +++ b/drivers/char/tpm/tpm_i2c_stm_st33.c > @@ -184,7 +184,6 @@ static void clear_interruption(struct tpm_stm_dev *tpm_dev) > > I2C_READ_DATA(tpm_dev, TPM_INT_STATUS, &interrupt, 1); > I2C_WRITE_DATA(tpm_dev, TPM_INT_STATUS, &interrupt, 1); > - I2C_READ_DATA(tpm_dev, TPM_INT_STATUS, &interrupt, 1); > } /* clear_interruption() */ -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html